Epethlium tissue

Question 1

histology

Answer 1

study of tissues

Question 2

Pathology

Answer 2

study of disease and injury’s

Question 3

Functions of Epithelial

Answer 3

1. Protection: microbes, heat, chemicals, dehydration, and abrasions
2. Secretion: getting rid of
3. adsorption: bringing something in
4. Provides sensations

Question 4

5 General Characteristics of Epithelial

Answer 4

1. 3 surfaces of Epithelial tissue
2. Avasuclar
3. Nerve supply
4. High capacity for renewal by cell division
5. Consists mainly of cells bond together; little extracellular material

Question 5

3 layers of Epithelial

Answer 5

apickle
lateral
basal surface

Question 6

Apickle later

Answer 6

surface that is exposed to a body cavity lining of a internal organ or exterior of the body

Question 7

Lateral

Answer 7

face adjacent cells on either side

Question 8

Basal Surface

Answer 8

deepest later attached to the basement membrane

Question 9

Basement membrane (composed of, location, function)

Answer 9

1. composed of protein fibers
2. located between the Epithelial and underlying connective tissue
3. function- helps anchor Epithelial tissue to the connective tissue

Question 10

Avascualr

Answer 10

lacks blood vessels

Question 11

how does avascualr get nutrients

Answer 11

from blood vessels located in adjacent connective tissue by the process of diffusion

Question 12

Nerve supply

Answer 12

will not bleed but will feel pain

Question 13

High capacity for renewal by cell division

Answer 13

subject to a large amount of wear, tear and injury

Question 14

2 types of epithelial

Answer 14

1. covering and lining
2. Glandular epithelium

Question 15

what is Covering and lining classified by

Answer 15

1. cell shape
2. arrangement of cells

Question 16

3 arrangement of cells

Answer 16

simple epithelium
pseduostartisfied epithelium
stratified epithelium

Question 17

simple epithelium

Answer 17

single layer

Question 18

Pseduostratisfied epithelium

Answer 18

appearing to have multiple layers of cells because the nuclei lie at different levels and not all are close to the apickle layer

Question 19

stratified epithelium

Answer 19

2 or more layers

Question 20

How is stratified epithelium named

Answer 20

based on the shape of the cells in the apickle layer

Question 21

how many cell shapes

Answer 21

4
1. squamous
2. cubotial
3. columnar
4. transitional

Question 22

squamous

Answer 22

thin, flat, and arranged like floor tiles

Question 23

cubotial

Answer 23

as tall as they are wide
Nucleus is in the center

Question 24

Columnar

Answer 24

Taller then they are wide
nucleus is in the middle

Question 25

Transitional

Answer 25

cells change shape from flat to cubital

Question 26

Simple Squamous epithelium

Answer 26

single layer of flat cells resembling a floor tile with a centrally nuclei

Question 27

where is Simple Squamous epithelium found

Answer 27

endothelium lines the heart, blood vessels, lymphatic vessels

Question 28

Function Simple Squamous epithelium

Answer 28

diffusion, filtration, osmosis, secretion

Question 29

Mesothelium

Answer 29

forms the epithelium layer of the serous membrane

Question 30

2 kinds of mesothlium

Answer 30

1. peritoneum 2. pericardium

Question 31

simple cuboidal epithelium

Answer 31

single layer of cells that are as tall as they are wide with a centered located nucleus

Question 32

function of simple cuboidal epithelium

Answer 32

secretion; absorption

Question 33

where is simple cuboidal epithelium found

Answer 33

ovary, capscule of the lense of eyes, kidney tubules, smaller ducts of glands, secreting portion of some glands like the thyroid

Question 34

Noncilliated simple columnar epithelium

Answer 34

cells are taller then they are wider, single layer, nucleus is near the base of the cell

Question 35

2 types of Noncilliated simple columnar epithelium

Answer 35

1. goblet cells 2. absorptive cells

Question 36

Goblet

Answer 36

secret mucas

Question 37

absorptive cells

Answer 37

with microvilli on apickle surface

Question 38

microvilli

Answer 38

finger like projections that increase the surface area of the plasma membrane

Question 39

function of Noncilliated simple columnar epithelium

Answer 39

1. secrets mucas 2. absorbtion

Question 40

where is Noncilliated simple columnar epithelium found

Answer 40

lines most gastrointestinal track; lot of it in small intestines, gallbladder; see it in digestive, respiratory, reproductive, urinary systems

Question 41

Ciliated simple columnar

Answer 41

taller then wide, single layer, nucleus is at the base of cell, It has cillia on apickle layer

Question 42

function of Ciliated simple columnar

Answer 42

moves mucus and other substances by ciliary action

Question 43

where is Ciliated simple columnar found

Answer 43

trachea, fillopean tube, uterus, paranasal sinuses

Question 44

Pseduostratisfied columnar epithelium

Answer 44

cells are as tall as they are wide, single layer, appears that there is more then one layer because the nuclei

Question 45

where is Pseduostratisfied columnar epithelium found

Answer 45

trachea, epidermis (found in male), urethra

Question 46

function Pseduostratisfied columnar epithelium

Answer 46

secrets and movement of mucas by ciliary action

Question 47

Stratified epithelium

Answer 47

stratified names depend on the shape of the cell in the apickle layer only

Question 48

stratified squamous

Answer 48

more than one layer, cells are flat and arranged like floor tiles in the apickle layer, the second layer is columnar

Question 49

keratinized stratisfied squamous

Answer 49

forms superficial of the skin

Question 50

Keratin

Answer 50

tough protein that helps protect the skin and underlying tissues from microbes, heat, and chemicals

Question 51

non-keratized

Answer 51

lining of mouth, esophagus, vagina, epiglottis, pharynx

Question 52

papsmear

Answer 52

check pre cancerous cells by examinary non keratized s.s.e. of vagina and cervix

Question 53

where are non-keratized and Keratin

Answer 53

they are found where mechanical stresses are near

Question 54

stratified cuboidal

Answer 54

Farley rare type, cells are as tall as they are wide, has at least 2 layers

Question 55

where is stratified cuboidal found

Answer 55

sweat glands, esophageal glands, ducts of adults

Question 56

function stratified cuboidal

Answer 56

protection and limited secretion and absorbtion

Question 57

statisfied columnar

Answer 57

cells are taller then wide in apickle layer more then 2 layers

Question 58

where is statisfied columnar found

Answer 58

anal mucas membrane, esophageal glands

Question 59

what is the function of statisfied columnar

Answer 59

protection and secretion

Question 60

transitional epithelium

Answer 60

appearence is variable cells in apickle layer range from squamous when stretched to cubotial or columnar when relaxed

Question 61

Where is transitional found

Answer 61

urinary bladder, uritter, urethra, uterus

Question 62

what is the function of transitional

Answer 62

distension (promits organs to stretch rupturing)

Question 63

2 general characteristics of Glandular epithelium

Answer 63

1. all glandular have a secretory 2. all glands of the body or either endocrine or exocrine

Question 64

Endocrine gladualr (ductless glands)

Answer 64

hormones= secretory product

Question 65

The function of endocrine glandular

Answer 65

the products diffuse into blood after passing through interstitial fluid without going through a duct

Question 66

Where is endocrine glandular found

Answer 66

thyroid, adrenal, pituitary

Question 67

The function of exocrine glandular

Answer 67

sweat, oil, saluva, ear wax, digestive enzymes= secretory product

Question 68

where is exocrine glandular found

Answer 68

sweat glands, oil glands, salivary glands