Surface Epithelial

Question 1

what type of cells are epithelial cells

Answer 1

Aggregated polyhedral

Question 2

How much extracellular matrix does epithelial have

Answer 2

small amount

Question 3

what are the two types of epithelial

Answer 3

surface and glandular

Question 4

what are some basic characteristics of epithelia PAT

Answer 4

Polarity , tightly adherent and avascular

Question 5

what is the lamina propria

Answer 5

a layer of connective tissue that epithelial rest on

Question 6

what is the basal pole

Answer 6

the region of the cell that faces the connective tissue

Question 7

Apical pole

Answer 7

opposite facing the lumen

Question 9

what is the basement membrane composed of

Answer 9

laminin type 4 collagen

Question 9

how does the cell junction form

Answer 9

adhesion molecules

Question 9

what is non celluar polylaccaride rich layer

Answer 9

the basement layer

Question 9

what are cell junction maintained by

Answer 9

cytoskeleton elements

Question 9

what is the funtion of occulding junction

Answer 9

form diffusion barrier

Question 9

how are cytoskeleton classified

Answer 9

Microfilament - 5nm
Intermediate filament 10nm
microtubule 25 nm

Question 9

how do microfilaments form a scaffolding

Answer 9

attach to each other to form a 3d intenral scaffolding

Question 9

what do communicating junctions do

Answer 9

allow movement of molecules between cells

Question 10

What is the Functions of epithelial

Answer 10

barrier, absorption, secretion, containment, locomotion

Question 10

what is the function of anchoring and adherent junction

Answer 10

mechanical strength

Question 10

what is adherence mediated by

Answer 10

presence of intracellular junction

Question 10

what kind of cells have kerainsied

Answer 10

straified squamous

Question 10

what is zonular occludes

Answer 10

band like

Question 11

what kind of cells have ciliated or non cilated

Answer 11

simple columnar

Question 11

what does the intrcellular junction form

Answer 11

cytoskeleton elements

Question 12

What is the major link protiens of zonular occuldens

Answer 12

occuldins and claudins

Question 13

what is the extracellular ligand of zonular occuldes

Answer 13

occuldins and claduins

Question 14

Cytoskeleton compoents zonula occudens

Answer 14

actin filament

Question 15

Intracellular attachment protien zonular occludens

Answer 15

ZOI 2 + 3

Question 16

Zonula ahderenes major link

Answer 16

E cadherin catein complex

Question 17

Extracellular ligand of zonula adherens

Answer 17

E cadherin catein complex

Question 18

cytoskeleton components zonula adherens

Answer 18

Actin filament

Question 19

Intracellular components for zonula adherens

Answer 19

a- actin vinculin

Question 20

Major link protiens of macula adherens

Answer 20

cadherins (desmogelins desmocolins)

Question 21

Macula adherens extracellular ligands

Answer 21

desmogelins + desmocolins

Question 22

cytoskeleton compoentents macula adherens

Answer 22

intermediate filament , keratine and desmin

Question 23

intracellular attachment protiens macula adherens

Answer 23

desmoplakin + plakoglobins

Question 24

Gap Junction major link

Answer 24

connexin

Question 25

extracellular ligands cap junction

Answer 25

connexin

Question 26

cytoskeleton components gap junction

Answer 26

none

Question 27

what is the junction complex

Answer 27

close association of serveal types of junction found in certain epithelial and other tissues

Question 28

what is a desosome

Answer 28

macula adherence are also called desmosome

Question 29

what is hemi desmosomes

Answer 29

another type of junction which is formed by half structures of desmosomes