Tissues/Histology Flashcards

1
Q

what are the 4 basic tissue types

A

Epithelial
connective
muscular
nervous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is epithelial tissue used for

A

lining/covering and secretory or glandualry tissue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is connective tissue used for

A

support and nutrititon for other tissue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is muscular tissue used for

A

contracts to produce movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is nervous tissue used for

A

integration and control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 3 primary germ layers

A

ectoderm
mesoderm
endoderm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what comes from the ectoderm layer of embryonic cell

A

epithelium, specifically the epidermis and nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what comes from the mesoderm layer of the embryonic cell

A

endothelium
mesothelium
muscle
connective tissue
epithelium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what come from the endoderm layer of the embryonic cell

A

epithelium and mucosae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Why is genome like a circuit breaker box

A

genes switch on and off to differentiate cells
cancer can turn some genes back on

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is epithelial tissue defined by

A

cell shape
nucleus
and where nucleus is located

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what do epithelial cells look like

A

packed tightly toghether
apical and basal surfaces/layers
regenerate rapidly at basal layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

does epithelial tissue have blood vessels

A

no it is not vascularized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what three junctions does ET have

A

tight
gap
desmosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

where does ET get nutrients

A

CT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are the cell shapes in ET

A

squamous
cuboidal
columnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what is simple ET

A

one layer of cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what is stratified ET

A

2 or more layers of cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what do the cells look like in simple squamous (top view)

A

flat cells with centrallly located nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

functions of simple squamous ET

A

diffusion of gasses in lung alveoli
secretion of serous fluid/covers organs
filtration in the kidneys
smooth inner blood vessel wall
(Lining, gas diffusion, filtration)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

functions of simple cuboidal

A

secretion of hormones
reabsorption in tubules in the kidneys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

description of simple cuboidal ET

A

single layer of cube like cells
big round, central nuclei
may have microvilli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

where is simple cuboidal ET found

A

wall of small glandular ducts
wall of kidney tubules
surface of the ovaries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

functions of simple ciliated columnar

A

movement of particles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

description of simple columnar ET

A

column shaped cells in single layer
nuclei elliptical or round located in the bottom 3rd of the cell
goblet cells common
may have cilia or microvilli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

functions of simple non-ciliated columnar

A

GI tract for absorption and secretion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Where are goblet cells found

A

in simple columnar or psuedostratified columnar ET

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

why dont goblet cells stain

A

they have a high water and lipid content

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

what do goblet cells do

A

secrete mucus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

where is pseudostratified ciliated columnar found

A

lining of upper respiratory tract
lining of trachea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

description of pseudostratified columnar ET

A

mostly columnar cells at different heights
nuceli sit at bottom levels
goblet cells common

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

where is pseudostratified non-ciliated columnar found

A

large glands and parts of the male urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

functions of psuedostratified columnar ET

A

secretion of mucus and propulsion of mucus if ciliated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

where is non keratinized stratified squamous ET found

A

esophagus
mouth
vagina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

description of stratified squamous ET

A

many layers of cells
cells near basement mebrane are cuboidal to columnar in shape
cells flatter going towards the apical surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

where is keratinized stratified squamous ET found

A

skin epidermis
never inside of body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What do transitional ET cells look like

A

surface cells look domed or squamous when stretched
basal cells look cuboidal or columnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

where is transitional ET found

A

lined bladder for stretchability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

what is really the only function of transitional ET

A

allows for distension of organ as urine collects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

where is stratified cuboidal found

A

ovarian follicles
pancreas
salivary glands
sweat glands
generally anywhere that does a lot of secretion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

where is stratified columnar found

A

parotid gland duct (big salivary gland)
part of male urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

what do cells look like in stratified columnar

A

basal cells are cuboidal or columnar
surface cells are columnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

what are the two types of glandular epithelia

A

exocrine and endocrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Where is exocrine glandular epithelia found in

A

ducts and glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

what are the components that make up an exocrine gland (though not limited to)

A

single cell, simple duct, goblet cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

what is endocrine glandular epithelia for? What makes it different from exocrine?

A

not ducts, only for hormone secretion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

what are the 3 modes of secretion

A

merocrine
holocrine
apocrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

what is merocrine mode of secretion

A

secrete by exocytosis as it’s produced
most glands are this

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

what are some glands that use merocrine mode of secretion

A

pancreas
sweat glands
salivary glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

what is holocrine mode of secretion

A

releases when secretory cell ruptures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

what mode of secretion do sebaceous glands use

A

holocrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

what is apocrine mode of secretion

A

accumulates product at one edge until it pinches off along with a bit of cytoplasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

do human apocrine glands use apocrine mode of secretion

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

what are the three components of CT

A

specialized cells
protein fibers
ground substance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

what is the extracellular matrix made of in CT

A

ground substance and fibers

56
Q

what is ground substance in CT

A

semiliquid
fills in space between cells and fibers
acts like a seive

57
Q

what are the 3 types of fibers in CT

A

collagen
elastic
reticular

58
Q

what characterizes collagen fibers

A

inelastic
can still bend
no recoil
super strong

59
Q

what characterizes elastic fibers

A

elastic
has recoil

60
Q

what characterizes reticular fibers

A

same stuff in collagen but way thinner
branched

61
Q

what are the classes of CT

A

CT proper
cartilage
bone
blood/lymph

62
Q

what type of cell builds and is not a fully mature cell

A

blast

63
Q

what type of cell is mature

A

cyte

64
Q

what type of cell destroys

A

clast

65
Q

what type of cell builds fibers and exists anywhere fiber does

A

fibroblasts

66
Q

what cell makes cartilage

A

chondroblast

67
Q

what cell makes bone tissue

A

osteoblast

68
Q

what are hemopoietic cells

A

stem cells

69
Q

what is a fibroblast mature

A

fibrocyte

70
Q

what are fat cells

A

adipocytes

71
Q

What are 4 types of WBCs

A

neutrophils
eosinophils
lymphyocytes
macrophages

72
Q

what do mast cells secrete

A

histamine (vasodilator) and heparin

73
Q

what do plasma cells secrete

A

antibodies

74
Q

what is mesenchyme

A

embryonic cells

75
Q

what two categories is CT proper split between

A

loose and dense

76
Q

what are the loose connective tissues

A

areolar
adipose
reticular

77
Q

what are the dense connective tissues

A

regular
irreglar elastic

78
Q

where is areolar tissue found

A

where edema is found; serous membranes, around interstitial tissues, blood vessels

79
Q

What are the characteristics of areolar CT

A

very visible fibers, lots of matrix, fibers loosely oriented

80
Q

what are the main fibers and cells in areolar CT

A

collagen fibers
elastic fibers
reticular fibers
mast cells
fibroblasts

81
Q

what is areolar tissue used for

A

universal packing tissue
stores fluids/nutrients
can fight low grade infection

82
Q

characteristics of adipose tissue

A

never blood vessels on slides, but is still very vascularized
no nucleus on slides
nuclei pushed to margin of cell
huge cells

83
Q

main fibers and cells in adipose tissue CT

A

adipocytes and some reticular fibers

84
Q

where is reticular CT located

A

anywhere there is lymphocytes

85
Q

What is the function or purpose of adipose tissue

A

energy storage
protection
insulation

86
Q

describe reticular CT

A

loose CT
like areolar but only has reticular fibers (still made of collagen)
very branched

87
Q

what is reticular CT function

A

gives 3D shape to lymphatic tissue

88
Q

characteristics of dense regular CT

A

collagen runs in one direction
resists pull in one direction
tightly packed fibers

89
Q

Where is dense regular CT found

A

tendons and ligaments

90
Q

characteristics of dense irregular connective tissue

A

fibers not all running in one direction
resists pull in many directions
collagen fibers

91
Q

Where is dense irregular tissue found

A

dermis of skin and submucosa of hollow organs

92
Q

characteristics of dense elastic CT

A

not super dense or loose
fibers in 1 direction but slightly curled or wavy
has recoil

93
Q

What is elastic CT function (dense Ct proper)

A

allows for recoil

94
Q

where is elastic CT found (dense Ct proper)

A

in aorta and stroma of lungs

95
Q

Characteristics of cartilage

A

avascular and no nerves
resists tension and compression
chondrocytes in lacunae
80% H2O

96
Q

why is transport slow in cartilage

A

ground substance is like jello
GAGs (glucose aminoglycans) chondroitin sulfate and hyaluronic acid

97
Q

name the types of cartilage

A

hyaline
elastic
fibrocartilage

98
Q

characteristics of hyaline cartilage

A

cant see fibers
chondrocytes in lacunae
ground substance looky milky

99
Q

where is hyaline cartilage

A

fetal skeleton
growth plates
tip of nose
trachea

100
Q

what function does hyaline cartilage have

A

absorbs compression and shock

101
Q

characteristics of elastic cartilage

A

almost identical to hyaline, but a lot more elastic fibers
fibers stain blackish

102
Q

what is the function of elastic cartilage

A

support
flexible
absorbs shock
lots of recoil

103
Q

where is elastic cartilage found

A

pinna of ear and epiglottis

104
Q

characteristics of fibrocartilage

A

wispy fibers
fibers run in one direction similar to dense regular CT
chondrocytes in lacunae

105
Q

where is fibrocartilage found

A

intervertebral discs
meniscus of knee

106
Q

what is the function of fibrocartilage

A

restists extreme tension and heavy compression

107
Q

What are the three types of lining membranes

A

cutaneous
mucous
serous

108
Q

What is a cutaneous membrane

A

dry membrane like the skin/epidermis

109
Q

what is a mucous membrane

A

moist, secretions in some mucosa

110
Q

what is a serous membrane

A

a thin double layer

111
Q

an organ is comprised of

A

at least 2 tissue types
epithelium bound to CT=simple organ

112
Q

what are the two types of tissue repair

A

regeneration
fibrosis

113
Q

what is regeneration tissue repair

A

functional or parenchymal repair in which the function of the replaced cells continues

114
Q

what is fibrosis tissue repair

A

stomal repair or scar tissue in which fibrous tissue knits the damaged parts together but doesnt perform the tissues original function

115
Q

What tissues regenerate well

A

epithelial tissue
fat
bone

116
Q

name the type of connective tissue

A

CT proper
loose
areolar

117
Q

name the type of connective tissue

A

dense irregular
CT proper

118
Q

name the type of connective tissue

A

Dense regular
CT proper

119
Q

name the type of connective tissue

A

elastic CT
CT proper
dense

120
Q

name the type of connective issue

A

elastic cartilage

121
Q

name the type of connective tissue (looks like dense regular but…)

A

fibrocartilage

122
Q

name the type of connective tissue

A

hyaline

123
Q

name the type of connective tissue

A

CT proper
loose
reticular CT

124
Q

name the type of ET

A

pseudostratified columnar

125
Q

name the type of ET

A

simple columnar

126
Q

name the type of ET

A

simple cuboidal

127
Q

name the type of ET

A

simple squamous

128
Q

name the type of ET

A

stratified columnar

129
Q

name the type of ET

A

stratified cuboidal

130
Q

name the type of ET

A

stratified squamous

131
Q

name the type of ET

A

transitional

132
Q

Where is simple ciliated columnar found

A

Respiratory tract
Genitourinary tract

133
Q

Where is simple cuboidal found

A

Ducts and tubes
Kidney tubules

134
Q

What do reticular fibers do

A

Give 3D shape to small tissues

135
Q

What are examples of serosa membranes?

A

Mesentaries and serosae