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Bio 1203 > chapter 6 tissue Biology 1103 > Flashcards

chapter 6 tissue Biology 1103 Flashcards

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Biology 101 flashcards
1
Q

tissue

A

a group of similar cells that work together to form specific functions

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2
Q

types of tissue

A

epithelial, connective, muscle and nervous

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3
Q

distribution of structure is sign of

A

injury and disease

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4
Q

Histology

A

Microscopic study of tissue appearance , organization and function

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5
Q

epithelial Tissue

A

refers to the sheets of cells that covers the external surface of the body.

lining of the body , protecting the body.
function in absorption, secretion and transportation.

Eg. LARGE INTEESTINE, SKIN

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6
Q

connective tissue

A

connects the cells and organs of the body.
serves to hold in place, connect and integrate the bodys organ systems.

which also function in connections, protection and integration of all parts of the body.

BONE, TENDON

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7
Q

Muscle tissue

A

excitable, responding to stimulation and contracting to provide movement,

Eg. CARDIAC, SKELETAL and SMOOTH

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8
Q

Nervous tissue

A

excitable, allowing the progress of electrochemical signals in the form of nerve impulse that communication between different body organs.

eg. BRAIN, SPINAL CORD, NERVES

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9
Q

Epithelial tissue main points

A

lining the outside of organs and the body cavities. which form much of the glandular tissue of the body.

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10
Q

general structure of epithelial tissue

A

1, highly cellular with little or no ECM
2, exhibit polarity between the apical to basal surface.
3,Avascular ( lacking blood vessels) when there is no blood vessel that cross the basement membrane to enter the tissue and nutrient as have to be diffused or absorbed.
4, removing of the damaged or dead cells that allow our air ways and digestive tracts to rapidly replace damaged cells with new cells.

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11
Q

Reticular lamina

A

Matrix containing collagen and elastin secretion by connective tissue forming basement membrane.

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11
Q

classification of epitelial tissues bases on

A

based on shape and layers of a cell. called as SIMPLE and Stratified.

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11
Q

general funcrtion of epithelial tissue

A

—absorption, diffusion , secretion and release of mucous and specific cpds.
— first line of protection.
–act as a gatekeeper by controlling permeability and allowing selective transfer of materials.

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11
Q

Simple Epithelial

A

a shape of a cells in the single cell layer reflecting the function of each cells.

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11
Q

function of simple cubodial epit

A

secretion and absorption of ducts and tubles.

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11
Q

Simple squamous epithelium

A

Thin sclaled, flat, and horizontal
diue to its thinness of the cell is present where rapid passage of chemical compounds is observed.

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12
Q

Location of simple squamous epi

A

in alveoli, kidney tubules, lining of capillaries
blood vessels, lymphatic vessels
Lungs

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12
Q

function of simple squamous epithe

A

promote diffusion and filteration across the surface.

allow materials to pass through by diffusion and filteration

sectretes lubricating substance.

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12
Q

Simple cuboidal epithelium

A

consist of a single of layers of cube- shaped cells. located near the center of the cell

locatd in glands and in kidney tubles.

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13
Q

simple columnar epithelium

A

tall column-like cells tends to be elongated and located
have cilia on their apical surface area
the cell is found in the lining of the uterine tubes.

utreine tubes
smooth digestive truct

14
Q

function of simple columnar epithelium

A

secretion and absorption of tissue and organs
sections of digestive system and part of female reproductive tract.

15
Q

Pseudostratified columnar epithelium

A

appeat to be stratified BUT consit single later of irregulari shaped and differently sized colomunar cells.

16
Q

location of Pseudostratified columnar epithelium

A

respiratory tract with some cells with cilia

17
Q

function Pseudostratified columnar epithelium

A

secretes mucus, ciliated tisssue moves mucus

18
Q

stratisfied squamous epithelium

A

basal layer contains columnar or cuboidal cells
location= lines of esophagose, mouth and vagina

19
Q

Keratin

A

dead cells

20
Q

function stratisfied squamous epithelium

A

protection aganist abrasion

21
Q

Strastified cubodial epithelium

A

Tissue that consists of two or more layers of cube-shaped cells, found in some ducts.

LOATION= sweat glands salivary glands and mamary flands

function= prptective tissue

22
Q

stratified columnar epithelium

A

Tissue that consists of two or more layers of column-like cells, contains glands and is found in some duct

UN COMMOMON TO HUMAN BEING

location= male urethra and ducts of some glads

function secretion and protection

23
Q

CONNECTIVE TISSUE

A

a tissue that connects tissue and organs

24
Q

difference between connective and epithelial tissue

A
  • unlike epithelial tissue with closely packed cells with avascular tissue
    connective tissue are vascular
25
Q

ground substance

A

fluid or semi fluid portion of the matrix
can also be mineralized and solid as bone.

26
Q

what is the function of matrix

A

functioning in making the connective tissue work

27
Q

3 common characteristics of connective tissue

A

cells

#ground substance
#protein fibre

-large amount of ground substance and protein fibres
-phagocytic cells that engulfs pathogens and also rids tissue of cellular debris.

28
Q

main features of connective tissue

A

. vascular
. many ECM
. abundant and widely distributed in body

29
Q

function of connective tissue

A

supportive tissue

#transportation of substance ensured by blood and Lymph.
#insulation
#connect with other tissues
#storage of energy ( Adipose store surplus energy in the form of fats
#protection in the form of the capsules and bone that protect organs

30
Q

classification of connective tissue

A

proper connective tissue

based on their ground substance and type of fibers found within matrix. we have
-loose connective
-dense connective
# supportive connective tissue
-cartilage
-bone
#fluid connective tissue
-BLOOD
-lymph

31
Q

loose connective tissue vs. dense connective tissue

A

variety of cell types and protein fibres suspended in a viscous ground substance.

32
Q

Dense connective tissue

A

bundles of fibres that provide tensile strength, elasticity, and protection.

32
Q

Connective Tissue Proper

A

Fibroblasts are the most abundant cells in connective tissue proper. Fibrocytes, adipocytes, and mesenchymal cells are fixed cells, which means they remain within the connective tissue

33
Q

chemical signals art of the immune system protecting the body.

A

Macrophages, mast cells, lymphocytes, plasma cells, and phagocytic cells are found in connective tissue proper but are actually part of the immune system protecting the body.

34
Q

Adipocytes

A

lipid storage cells.

35
Q

mesenchymal cell

A

mesenchymal cell is a multipotent adult stem cell. These cells can differentiate into any type of connective tissue cells needed for repair and healing of damaged tissue.

36
Q

three main fibers by fibroblast

A

collagen
elastic firbers
and reticular

37
Q
A
38
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39
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40
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41
Q
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Bio 1203 (2 decks)

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