Epithelial Cells

Question 1

Characteristics of Epithelial tissue

Answer 1

1. mostly composed of cells
   2.Covers body surfaces and forms glands
2. Has distinct Surfaces
3. Cells connect to surrounding cells and extracellular matrix
   5 NON VASCULAr
4. Highly regenrative

Question 2

Free surfaces

Answer 2

cells exposed and not attached to other cells

Question 3

lateral surfaces

Answer 3

cells attached to other epithelial cells

Question 4

basal surfaces

Answer 4

at base of tissue, attached to basement memrbane

Question 5

basement membrane

Answer 5

extracellular matrix secreted by connective and epithelial tissue, connects epithelial tissue to other tissues

Question 6

functions of epithelial cells

Answer 6

1. protection of underlying structure
2. acts as a barrier
3. permits passage of substances
4. secretion
5. absorption

Question 7

simple

Answer 7

one layer

Question 8

stratified

Answer 8

more than one layer

Question 9

pseudostratified

Answer 9

appears to have more than one lyaer bc cells are different heights but only one layer

Question 10

transitional

Answer 10

special type of stratified, changes shape as cells stretch

Question 11

squamous

Answer 11

cells are flat and scale like

Question 12

cuboidal

Answer 12

cells are cube shape

Question 13

columnar

Answer 13

shaped like columns

Question 14

simple layer function

Answer 14

diffusion, filtration, secretion, absorption

Question 15

stratified layer function

Answer 15

protection (particularly against abrasian)

Question 16

squamous shape function

Answer 16

diffusion and acts like a filter

Question 17

cuboidal and columnar shape function

Answer 17

secretion and absorption

Question 18

simple squamous locations

Answer 18

Lining of blood vessels,serous membranes, aveolis, loope of helene, inner surface of ear drum

Question 19

functions of simple squamous

Answer 19

diffusion and filtration
some protection against abrasion
secretion and absorption

Question 20

locations of simple cuboidal

Answer 20

kidney tubules
glands and ducts
choroid plexus of brain
lining of terminal bronchioles
surface of ovaries

Question 21

functions of simple cuboidal

Answer 21

absoprtion in kidneys
secretions in choroid plexus
movement of mucous in bronchioles

Question 22

some simple cuboidal have cilia/microvili–true or false

Answer 22

true

Question 23

simple columnar location

Answer 23

glands and ducts
bronchioles of lungs
auditory tubes
uterus and uterine tubes
stomach, intestines, gall bladder
bile ducts
ventricles of brain

Question 24

some simple columnar have cilia and microvili–true or false

Answer 24

true

Question 25

simple columnar functions

Answer 25

movement of particles out of the bronchioles
movement of oocytes
secretion in glands of stomach
absorption in intestines

Question 26

stratified squamous locations

Answer 26

mosit–mouth, throat, layrnx,esopohagus, vagina, inferior urethra, cornea
kertanized –skin

Question 27

function of stratified squamous

Answer 27

PROTECTION–against abrasion, chemicals and infection and water loss

Question 28

stratified cuboidal locations

Answer 28

sweat glands, ovarian follicular cells, salavaiary gland ducts

Question 29

stratified cuboidal function

Answer 29

secretion, absoroption, and prtoection against infection

Question 30

stratified columnar epithelium location

Answer 30

mammary gland duct, larynx, portion of male urethra

Question 31

function of stratified columnar

Answer 31

protection and secretion

Question 32

pseudostratified columnar locations

Answer 32

nasal cavity, nasal sinuses, auditory tubes, pharnx, trachea, and bronchi of lungs

Question 33

pseudostratified columnar function

Answer 33

secrete mucus onto free surface
move mucuous

Question 34

pseudostratified columnar almost always has cilia true or false

Answer 34

true

Question 35

tranisitonal epithelium locations

Answer 35

urinary bladdder, uterers, superior urethra

Question 36

fuctions of transitional epithelium

Answer 36

accomodates fluctuation of volume of fluid