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A&P I > Chapter 5 PPT > Flashcards

Chapter 5 PPT Flashcards

1
Q

In complex organisms, cells are organized into

A

tissues

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2
Q

Tissues are

A

groups of similar cells with a common function

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3
Q

What is histology?

A

The study of cells

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4
Q

What are the 4 major types of tissues in the body?

A

Epithelial Tissue

Connective Tissue

Muscle Tissue

Nervous Tissue

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5
Q

Epithelial Tissue Function

A

Protection, secretion, absorption, excretion

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6
Q

Epithelial Tissue Location

A

Covers body surface, overs and line internal organs, compose glands

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7
Q

Epithelial Tissue distinguishing characteristics

A

lacks blood vessels

cells ready to divide

cells are tightly packed

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8
Q

connective tissue function

A

bind, support, protect, fill spaces, store fat, produce blood cells

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9
Q

connective tissue location

A

widely distributed throughout the body

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10
Q

connective tissue distinguishing characteristics

A

mostly have good blood supply cells are farther apart than epithelial cells, with extracellular matrix in between

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11
Q

muscle tissue function

A

movement

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12
Q

muscle tissue location

A

attaches to bones, in the walls of hollow internal organs, heart

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13
Q

muscle tissue distinguishing characteristics

A

able to contract in response to specific stimuli

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14
Q

nervous tissue function

A

conduct impulses for coordination

regulation

integration

sensory reception

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15
Q

nervous tissue location

A

brain

spinal cord

nerves

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16
Q

nervous tissue distinguishing characteristics

A

cells communicate with each other and other body parts

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17
Q

types of intracellular junctions?

A

tight junctions

desmosomes

gap junctions

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18
Q

what are tight junctions?

A

membranes of adjacent cells merge and fuse

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19
Q

where are tight junctions located

A

located among cells that form linings, sheet-like layers. is the blood brain barrier

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20
Q

what are desmosomes

A

form “spot welds” between cells and are for structural reinforcement

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21
Q

where are desmosomes located?

A

located among outer skin cells

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22
Q

what are gap junctions?

A

tubular channels between cells, where molecules can move between cells

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23
Q

where are gap junctions located?

A

located in cardiac muscle cells

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24
Q

tight junction characteristics

A

close space between cells by fusing cell membranes

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25
Q

tight junctions example

A

cells that line the small intestine

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26
Q

desmosomes characteristics

A

binds cells by forming “spot welds” between cell membranes

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27
Q

desmosomes examples

A

cells of the outer skin layer

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28
Q

gap junction characteristics

A

form tubular channels between cells that allow exchange of susbtances

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29
Q

gap junction examples

A

muscle cell of the heart and digestive tract

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30
Q

nanotechnology helps with

A

drug delivery across the blood-brain barrier

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31
Q

blood-brain barrier selects

A

which chemicals are allows to cross; protects from toxins and chemical fluctuations

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32
Q

nanotechnology uses

A

structures smaller than 100 nm in at least 1 direction, to help medications cross the barrier

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33
Q

nanotechnology - anesthetics/chemotherapeutics example

A

they are combined with liposomes (phospholipid bubbleS) to mask portions of drug that cannot cross the barrier

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34
Q

nanotechnology -insulin example

A

can be inhaled in nanoparticles, instead of being injected

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35
Q

Epithelial tissue covers

A

organs and body surfaces

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36
Q

epithelial tissue lines

A

cavities and hollow organs

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37
Q

epithelial tissue makes up

A

glands

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38
Q

epithelial tissue have a

A

free surface on outside, and basement membrane on the inside

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39
Q

epithelial tissue lacks

A

blood vessels (avascular) and nutrients diffuse to epithelial tissue from underlying connective tissue

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40
Q

epithelial tissue, cells readily

A

divide, injuries heal rapidly

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41
Q

epithelial tissue, cells are

A

tightly packed

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42
Q

epithelial tissue are classified according to

A

cell shape and number of cell layers

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43
Q

epithelial tissue shape types

A

squamous (flat)

cuboidal (cube-shaped)

columnar (tall)

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44
Q

epithelia tissue layer types

A

simple (one layer of cells)

stratified (2 or more layers)

pseudostratified (appears layered, but its not)

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45
Q

simple squamous are a (layers)

A

single layer of thin, flat cells

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46
Q

Simple squamous - substances

A

pass easily through air sacs (alveoli) and capillaries

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47
Q

simple squamous are

A

thin and delicate, can be damaged

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48
Q

simple squamous are found in

A

diffusion and filtration sites

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49
Q

simple squamous lines

A

air sacs (alveoli) and capillaries

and lines blood and lymphatic vessels

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50
Q

simple cuboidal (layers)

A

single layer of cube-shaped cells

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51
Q

simple cuboidal deals with

A

secretion and absorption

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52
Q

simple cuboidal lines

A

kidney tubules and thyroid follicles

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53
Q

simple cuboidal covers

A

ovaries

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54
Q

simple cuboidal lines

A

ducts of some glands

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55
Q

simple columnar (layers)

A

single layer of elongated cells

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56
Q

simple columnar nuclei

A

usually at same level, near the basement membrane

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57
Q

simple columnar sometimes have

A

cilia, microvilli, and goblet cells (secrete mucus)

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58
Q

simple columnar deals with

A

secretion and absorption

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59
Q

simple columnar lines

A

uterus, stomach, intestines

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60
Q

pseudostratified columnar (layers)

A

single layer, but appears layered

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61
Q

pseudostratified columnar - nuclei

A

nuclei at 2 or more levels

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62
Q

pseudostratified columnar - cells vary

A

in shape

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63
Q

pseudostratified columnar often have

A

cilia, goblet cells which secrete mucus

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64
Q

pseudostratified columnar protect from

A

infection

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65
Q

pseudostratified columnar lines

A

respiratory passageways

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66
Q

stratified squamous (layers)

A

many cell layers, thick

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67
Q

stratified squamous has a

A

protective layer

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68
Q

stratified squamous - outermost cells are

A

flat

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69
Q

stratified squamous - deeper cells are

A

cuboidal

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70
Q

stratified squamous - new cells …

A

new cells form, and push older cell toward free surface

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71
Q

stratified squamous is the

A

outer layer of skin (keratinized)

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72
Q

stratified squamous lines

A

oral cavity, vagina, and anal canal

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73
Q

stratified cuboidal (layers)

A

2 to 3 layers of cube-shaped cells

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74
Q

stratified cuboidal offers

A

more protection than 1 layer

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75
Q

stratified cuboidal lines

A

ducts of mammary, sweat, and salivary glands, and pancreas

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76
Q

stratified columnar - top layer

A

of elongated cells

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77
Q

stratified columnar - in deeper layers,

A

cube-shaped cells

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78
Q

stratified columnar lines

A

part of male urethra, ducts of exocrine glands

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79
Q

transitional is (layers)

A

many cell layers

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80
Q

transitional (shape)

A

cube-shaped, with elongated cells

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81
Q

transitional changes

A

shape with increased tension, stretches

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82
Q

transitional line

A

urinary bladder, ureters, and part of urethra

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83
Q

glandular epithelium composed of

A

cells that produce and secrete substances into ducts of body fluids

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84
Q

what are the 2 types of glands

A

endocrine glands and exocrine glands

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85
Q

what are endocrine glands

A

secrete into tissue fluid or blood

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86
Q

what are exocrine glands

A

secrete into ducts that open onto surface

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87
Q

what are the two structural types of exocrine glands

A

unicellular and multicellular

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88
Q

unicellular cells are

A

composed of one cell, such as goblet cells (secrete mucus)

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89
Q

multicellular exocrine glands are

A

composed of many cells

sweat glands, salivary glands,

simple or compound

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90
Q

what are the structural types of exocrine glands

A

simple

compound

tubular

alveolar

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91
Q

simple exocrine gland

A

duct does not branch

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92
Q

compound exocrine gland

A

duct branches before it reaches secretory portion

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93
Q

tubular exocrine gland

A

consist of epithelial-line tubes

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94
Q

alveolar exocrine gland

A

terminal portions form sac-like dilations

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95
Q

unicellular exocrine gland characteristics

A

a single secretory cell

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96
Q

unicellular exocrine gland example

A

mucous-secreting cell

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97
Q

multicellular exocrine gland characteristics

A

glands that consist of many cells

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98
Q

simple exocrine gland characteristics

A

glands that communicate with the surface by means of ducts that do not branch before reaching the secretory portion

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99
Q

simple tubular exocrine gland characteristics

A

Straight tube-like gland that opens directly onto surface

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100
Q

simple tubular exocrine gland example

A

Intestinal glands of small intestine

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101
Q

simple branched tubular exocrine gland characteristics

A

Branched, tube-like gland; duct short or absent

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102
Q

simple branched tubular exocrine gland example

A

gastric glands

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103
Q

simple coied tubular exocribe gland characteristics

A

long, coiled, tube-like gland; long duct

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104
Q

simple coiled tubular exocrine gland example

A

merocrine (Sweat) glands of skin

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105
Q

simple branched alveolar exocrine gland characteristics

A

secretory portions of gland expands into saclike compartments along duct

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106
Q

simple branched alveolar exocrine gland examples

A

sebaceous gland of skin

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107
Q

compound glands

A

glands that communicate with surface by means of duct sthat branch repeadly before reaching the secretory portion

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108
Q

compound tubular exocrine gland characteristics

A

Secretory portions are tubules extending from branches of branches that combine into one duct

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109
Q

compound tubular exocrine gland examples

A

bulbourethral glands of male

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110
Q

compound alveolar exocrine gland characteristics

A

Secretory portions are irregularly branched tubules with numerous saclike outgrowths

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111
Q

compound alveolar exocrine gland example

A

mammary glands

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112
Q

what are merocrine glands?

A

secrete fluid products by exocytosis

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113
Q

merocrine gland examples

A

salivary and sweat glands, pancreas

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114
Q

what are apocrine glands?

A

lose small part of cell during secretion

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115
Q

apocrine gland example

A

mammary and ceruminous glands

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116
Q

what are holocrine glands?

A

release entire cells filled with product

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117
Q

holocrine gland examples

A

sebaceous glands

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118
Q

simple squamous epithelium description

A

single layer , flattened cells

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119
Q

simple squamous epithelium function

A

filtration, diffusion, osmosis, covers surface

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120
Q

simple squamous epithelium location

A

air sacs of lungs, walls of capillaries, lining of blood and lymph vessels, part of membranes lning body cavities and covering viscera

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121
Q

simple cuboidal epithelium description

A

single layer, cube shaped cells

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122
Q

simple cuboidal epithelium function

A

protection, secretion, absorption

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123
Q

simple cuboidal epithelium location

A

surface of ovaries, linings of kidney tubulues, and linings of ducts of certain glands

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124
Q

simple columnar epithelium description

A

single layer, elongated cells

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125
Q

simple columnar epithelium function

A

protection, secretion, absorption

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126
Q

simple columnar epithelium location

A

linings of uterus, stomach, and intestines

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127
Q

pseudostratified columnar epithelium description

A

single layer, elongated cells

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128
Q

pseudostratified columnar epithelium function

A

protection, secretion, movement of mucus and substances

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129
Q

pseudostratified columnar epithelium location

A

lining of respiratory passages

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130
Q

stratified squamous epithelium description

A

many layers, top cells flattened

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131
Q

stratified squamous epithelium function

A

protection

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132
Q

stratified squamous epithelium location

A

superficial layer of skin and linings of oral cavity, vagina, and anal canal

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133
Q

stratified cuboidal epithelium description

A

2 or 3 layers, cube shaped cells

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134
Q

stratified cuboidal epithelium function

A

protection

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135
Q

stratified cuboidal epithelium location

A

linings of ducts of mammary glands, sweat glands, salivary glands, and pancreas

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136
Q

stratified columnar epithelium description

A

top layer of elongated cells, lower layers of cube-shaped cells

137
Q

stratified columnar epithelium function

A

protection, secretion

138
Q

stratified columnar epithelium location

A

part of male urethra and lining of larger ducts of excretory glands

139
Q

transitional epithelium description

A

many layers of cube-shaped and elongated cells

140
Q

transitional epithelium function

A

stretchabiltiy, protection

141
Q

transitional epithelium location

A

inner lining of urinary bladder and linings of ureters and part of urethra

142
Q

glandular epithelium description

A

unicellular or multicellular

143
Q

glandular epithelium function

A

secretion

144
Q

glandular epithelium location

A

salivary glands, sweat glands, and endocrine glands

145
Q

what are connective tissues?

A

most abundtant tissue type. Cells farther apart than epithelial cells and contains matrix between cells

146
Q

connective tissues bind

A

structures together

147
Q

connective tissues provide

A

support and protection

148
Q

connective tissues serve

A

as frameworks

149
Q

connective tissues fill

A

space

150
Q

connective tissues store

A

fat

151
Q

connective tissue produce

A

blood cells

152
Q

connective tissue protect

A

against infections

153
Q

connective tissue help

A

repair tissue damage

154
Q

what does the extracellular matrix consist of?

A

consists of protein fibers and ground substance

155
Q

most connective tissues have

A

good blood supply, and are well nourished . also have ability to divide

156
Q

Functions of ECM?

A

Scaffolding that organizes and anchors cells into tissues

Relays chemical signals that control cell division and differentiation, tissue repair, and migration

157
Q

Cancer - Fibroblasts

A

Cancer can convert fibroblasts into myofibroblasts, take on characteristics of cancer cells and also loosens of fibroblast connection allowing migration of converted fibroblasts

158
Q

Liver Fibrosis

A

Collagen deposition increases, and ECM now exceeds normal 3%. Damaging agents evoke inflammatory response, and can block connection between liver cells and blood

159
Q

Heart Failure and Atherosclerosis

A

Some forms involve excess collagen deposition, which can stiffen the heart or block blood flow

160
Q

Fibroblasts are

A

the most common fixed cell and are a large star shaped cell

161
Q

fibroblasts secrete

A

fibers intoECM

162
Q

Macrophages are

A

usually attached to fibers, but can detach and wander to conduct phagocytosis

163
Q

macrophases defend against

A

infection

164
Q

Mast cells are

A

large cells that release heparin to prevent blood clotting.

165
Q

Mast Cell - Release

A

histamine, which causes inflammatory response

166
Q

What at the three types of fibers in CT?

A

Collagen Fibers

Elastic Fibers

Reticular Fibers

167
Q

what are collagen fibers?

A

thick threads of collagen, the bodys main structural protein

168
Q

collagent fibers have a great

A

tensile strength and flexible, slightly elastic

169
Q

collagen fibers found in

A

ligmaments nd tendons

170
Q

what are elastic (yellow) fibers composed of?

A

elastic protein; branching

171
Q

Elastic fibers can

A

stretch and return to its original shape

172
Q

elastic fibers are not

A

as strong as collagen fibers

173
Q

elastic fibers found in

A

vocal cords, respiratory air passages

174
Q

what are reticular fibers?

A

thin, branching fibers of collagen

175
Q

reticular fibers form

A

delicate, supporting networks

176
Q

reticular fibers found in

A

spleen, liver

177
Q

components of CT?

A

fibroblasts

macrophages

mast cells

178
Q

fibroblasts characteristics

A

widely distributed, large, star-shaped cells

179
Q

fibroblasts function

A

secrete proteins that become fibers

180
Q

macrophages characteristics

A

motile cells sometimes attached to fibers

181
Q

macrophages function

A

clear foreign particles from tissues by phagocytosis

182
Q

mast cell characteristics

A

large cells, usually located near blood vessels

183
Q

mast cell functions

A

release substances that may help prevent blood clotting (herarin) and promote inflammation (histamine)

184
Q

components of ECM?

A

Collagen Fibers

Elastic Fibers

Reticular Fibers

Ground Susbtance

185
Q

Collagen Fibers (White) characteristics

A

thick, threadlike fibers of collagen with great tensile strength

186
Q

collagen fibers function

A

hold structures together

187
Q

elastic fiber characteristics

A

bundle of microfibrils embedded in elastin

188
Q

elastic fibers function

A

provide elastic quality to parts that stretch

189
Q

reticular fiber characteristics

A

thin fibers of collagen

190
Q

reticular fiber function

A

form delicate supporitive networks within tissues

191
Q

ground substance characteristics

A

nonfibrous protein and other molecules, and varying amounts of fluid

192
Q

ground substance function

A

fills in spaces around cells and fibers

193
Q

collagen makes up…

A

> 60% of the protein in bone and cartilage and a large percentage of dry weight of skin, tendons, and ligaments

194
Q

chondrodysplasia

A

collagen chains are asymmetric and too wide, causing stunted growth and deformed joints

195
Q

marfan syndrome

A

deficiency of the protein fibrillin, leads to long limbs, spindly fingers, sunkd eyes, weak aorta, dislocation of the lens of the eyes

196
Q

CT classified into what 2 categories

A

CT Proper

Specialized CT

197
Q

CT Proper contains what types?

A

Loose CT

Dense CT

198
Q

What falls under loose CT

A

areolar
adipose
reticular

199
Q

what falls under dense CT

A

dense regular
dense irregular
elastic

200
Q

what falls under specialized CT

A

cartilage
bone
blood

201
Q

areolar CT forms

A

thin, delicate membranes

202
Q

areolar CT are mainly

A

fibroblasts

203
Q

areolar CT contain

A

gel-like substance and collagenous and elastic fibers

204
Q

areolar CT located in

A

subcutaneous layer

205
Q

areolar CT beneath

A

most epithelia, where it nourishes nearby epithelial cells

206
Q

adipose CT stores

A

fat

207
Q

adipose CT push

A

their nuclei to one side

208
Q

adipose CT crowd out

A

other cell types

209
Q

adipose CT function

A

cushions and insulates

210
Q

adipose CT located

A

beneath skin (subcutaneous layer)

211
Q

adipose CT behind

A

eyeballs

212
Q

adipose CT around

A

kidneys and heart

213
Q

adipose CT spaces

A

between muscles

214
Q

reticular CT composed of

A

thin reticular fibers

215
Q

reticular CT supports

A

walls of internal organs, liver, spleen

216
Q

dense regular CT closely

A

packed of collangeous fibers

217
Q

dense regular CT fine

A

network of elastic fibers

218
Q

dense regular CT - most cells are

A

fibroblasts

219
Q

dense regular CT - withstand

A

pulling, and are very strong

220
Q

dense regular CT binds

A

body parts together such as tendons, ligaments, dermis

221
Q

dense regular CT - blood

A

poor blood supply, slow to heal

222
Q

dense irregular CT - organization

A

randomly organized, thick, interwoven collagenous fibers

223
Q

dense irregular CT can

A

withstand tension exerted from different directions

224
Q

dense irregular CT located on

A

dermis of skin and around skeletal muscle

225
Q

elastic CT abundant

A

yellow elastic fibers with some collagenous fibers with fibroblasts

226
Q

elastic CT attachment

A

between bones of spinal column

227
Q

elastic CT located on

A

walls of hollow organs, such as large arteries, airways.

parts of heart

228
Q

elastic CT have a

A

elastic quality, stretches

229
Q

cartilage is a

A

rigid, specialized CT

230
Q

cartilage does what?

A

support, framework, attachments. Protection of underlying tissue.

models for developing bone

231
Q

cartilage - matrix conains

A

collagen in gel-like ground substance

232
Q

cartilage - chondrocytes (cartilage cells)

A

in lacunae (chambers), surrounded by matrix

233
Q

cartilage lacks

A

blood supply, heals slowly

234
Q

cartilage covered by

A

perichondrium, which provides some nutrients to the cartilage.

235
Q

types of cartilage?

A

hyaline

elastic

fibrocartilage

236
Q

fibrocartilage is

A

very tough, due to many collagenous fibers

237
Q

fibrocartilage is

A

a shock absorber

238
Q

fibrocartilage contains

A

intervertebral discs

239
Q

fibrocartilage located in

A

the pads of knee and pelvic girdle

240
Q

Bone (osseous tissue) is the

A

most rigid CT

241
Q

bone is a solid

A

matrix, composed of Ca, salts, and collagen

242
Q

bone supports

A

structures

243
Q

bone protects

A

vital structures

244
Q

bone produces

A

blood cells

245
Q

bone stores and releases

A

Ca, p

246
Q

Bone is a attachment site for

A

muscles

247
Q

bone forms

A

skeleton

248
Q

bones contains

A

osteocytes (bone cells) in lacunae)

249
Q

types of bone?

A

Compact and spongyy

250
Q

What do compact bone do?

A

osteoblasts deposit matrix in lamellae (layers)

251
Q

compact - lamellase occurs

A

in rings around central canals

252
Q

what are osteons?

A

osteocytes, matrix and central canal formed together

253
Q

osteons are

A

cemented together to form compact bone

254
Q

osteons central canals contain

A

blood vessels, bone is well-nourished, heals more quickly than cartilage

255
Q

Blood are cells

A

suspended in fluid matrix called plasma

256
Q

red blood cells transport

A

gases

257
Q

white blood cells defend against

A

infection

258
Q

platelets help in

A

blood clotting

259
Q

blood transports

A

substances around body

260
Q

areolar CT description

A

cells in fluid-gel matrix

261
Q

areolar CT function

A

binds organs

262
Q

areolar CT location

A

beneath the skin, between muscles, beanth epithelial tissues

263
Q

adipose tissue description

A

cells in fluid-gel matrix

264
Q

adipose tissue function

A

protects, insulates, stores fat

265
Q

adipose tissue location

A

beneath the skin, around the kidneys, behind the yeballs, and on the surface of the heart

266
Q

reticular CT description

A

cells in fluid-gel matrix

267
Q

reticular CT function

A

supports

268
Q

reticular CT location

A

walls of liver and spleen

269
Q

dense regular CT description

A

cells in fluid-gel matrix

270
Q

dense regular CT function

A

binds body parts

271
Q

dense regular CT location

A

tendons, ligaments

272
Q

dense irregular CT description

A

cells in fluid-gel matrix

273
Q

dense irregular CT function

A

sustains tissue tension

274
Q

dense irregular CT location

A

in the deep layer of skin

275
Q

elastic CT description

A

cells in fluid-gel matrix

276
Q

elastic CT function

A

provides elastic quality

277
Q

elastic CT location

A

connecting parts of the spinal column, in walls of arteries, and airways

278
Q

hyaline cartilage description

A

cells in solid-gel matrix

279
Q

hyaline cartilage function

A

supports, protects, provides framework

280
Q

hyaline cartilage loction

A

ends of bone, nose, and rings in walls of respiratory passages

281
Q

elastic cartilage description

A

cells in solid-gel matrix

282
Q

elastic cartilage function

A

supports, protects, provides, flexible frmework

283
Q

elastic cartilage location

A

framework of external ear and part of larynx

284
Q

fibrocartilage description

A

cells in solid gel matrix

285
Q

fibrocartilage function

A

supports

protects

absorbs shock

286
Q

fibrocartilage location

A

between bony parts of spinal column, parts of pelvil girdle, and knee

287
Q

bone description

A

cells in solid matrix

288
Q

bone function

A

supports, protects, provides framework

289
Q

bone location

A

bone of skeleton, middle ear

290
Q

blood description

A

cells and platelets in fluid matrix

291
Q

blood function

A

transports gases, defends against diseases, clotting

292
Q

blood location

A

throughout the body in a closed system of blood vessels and heart chambers

293
Q

what are membranes?

A

sheets of cells

294
Q

epithelial membranes are composed of

A

epithelial and CT, cover body surfaces and line cavities

295
Q

the types of epithelial membranes?

A

serous membrane
mucous membrane
cutaneous membrane

296
Q

serous membranes line

A

body cavities that do not open to outside of body

297
Q

serous membranes - inner linings of

A

thorax and abdomen, covers organs

298
Q

serous membranes consists of

A

simple squamous epithelium, and areolar CT

299
Q

serous membrane secrete

A

serous fluid for lubrication, reducing friction

300
Q

mucous membrane line

A

cavities and tubes that open to the outside of body

301
Q

mucous membrane, lining of

A

digestive, respiratory, urinary, and reproductive tracts

302
Q

mucous membrane consists of

A

epithelium, and areolar ct and goblet cells

303
Q

cutaneous membrane covers

A

body surface

304
Q

cutaneous membrane commonly called

A

skin

305
Q

cutaneous membrane part of

A

integumentary system

306
Q

synovial membranes different from

A

epithelial membranes

307
Q

synovial membranes composed of

A

ct and line joint cavities

308
Q

Muscle tissues are m

A

muscle cells that are also called muscle fibers

309
Q

muscle tissues can

A

contract, shorten and thicken

310
Q

what types of muscle tissues are there?

A

skeletal, cardiac, and smooth

311
Q

skeletal muscle attaches to

A

bones

312
Q

skeletal muscle characteristics

A

striated, voluntary, multinucleated, long cylindrical cells

313
Q

skeletal muscle stimulated by

A

nerve cells

314
Q

smooth muscle characteristics

A

non-striated, spindle-shaped fibers

315
Q

smooth muscle location

A

walls of hollow organs, walls of blood vessels

316
Q

smooth muscle are

A

involuntary

317
Q

cardiac muscle are

A

involuntary

318
Q

cardiac muscle only in

A

the walls of heart

319
Q

cardiac muscle characteristics

A

branching cells

striated

intercalated discs

320
Q

nervous tissue found in

A

brain, spinal cor, peripheral nerves

321
Q

nervous tissues - main cells are

A

neurons, which are specialized for communication, via conduction of nerve impulses

322
Q

nervous tissues - neurons

A

coordinate, integrate, and regulate body functions

323
Q

what are neuroglia?

A

support and nourish neurons

324
Q

how does tissue engineering work?

A

by growing cells or ECM from a person’s own cells or matrix, on a synthetic scaffold

325
Q

tissue enginnering; rejection

A

no rejection by immune system

326
Q

tissue engineering - patients bladder contains progenitor cells for

A

smooth muscle and uroepitheliun which are used to grow a new bladder on a synthetic dome

327
Q

skeletal muscle tissue description

A

long, thread-like cells, striated, many nuclei

328
Q

skeletal muscle tissue function

A

voluntary movements of skeletal parts

329
Q

skeletal muscle tissue location

A

muscle usually attaches to bones

330
Q

smooth muscle tissue description

A

shorter cells, single, central nucleus

331
Q

smooth muscle tissue function

A

involuntary movements of internal organs

332
Q

smooth muscle tissue location

A

walls of hollow internal organs

333
Q

cardiac muscle tissue description

A

branched cells, striated, single nucleus

334
Q

cardiac muscle tissue function

A

heart movements

335
Q

cardiac muscle tissue location

A

heart muscle

336
Q

nervous tissue description

A

cells with cytoplasmic extensions

337
Q

nervous tissue function

A

sensory reception, release of neurotransmitter, and conduction of electrical impulses

338
Q

nervous tissue location

A

brain, spinal cord, and peripheral nerves

A&P I (33 decks)

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