epithelial tissue

Question 0

shapes of epithelial cells

Answer 0

squamous, cuboidal, columnar

Question 1

functions of epithelial cells

Answer 1

physical protection
control permeability
provide sensation
produce specialised sercretions

Question 2

name 3 intercellular junctions

Answer 2

gap
tight
desmosomes

Question 3

what attaches the deepest epithelial cells to the basal lamina?

Answer 3

Hemidesmosomes

Question 4

describe the structure of simple squamous

Answer 4

one layer
scrambles eggs
delicate

Question 5

where is simple squamous usually found and why?

Answer 5

in protected regions in the body, where absorption or diffusion takes place, needs slick/slippery surfaces to reduce friction.
kidneys, inside the eye, at the gas exchange surfaces of the lung

Question 6

what type of epithelium lines each venteral body cavity?

Answer 6

mesothelium (simple squamous)

Question 7

what type of epithelium lines the heart and blood vessels?

Answer 7

endothelium

Question 8

where is stratified squamous found and why?

Answer 8

in places of severe mechanical or chemical stresses(multi layers)
mouth, throat, esophagus, rectum, anus and vagina

Question 9

what is keratin, where is it found and what does it do?

Answer 9

chemical that is found in stratified squamous cornified(or keratinised) epithelium it makes our skin water proof, and tough does not need to stay hydrated
dead skin cells

Question 10

what type of epithelial tissue is found in the bladder?

Answer 10

transition

Question 11

what is the respiratory epithelial?

Answer 11

pseudostratified

Question 12

describe the structure of pseudostratified epithelium

Answer 12

simple columnar ciliated

Question 13

Exocrine glands

Answer 13

Secrete onto external surfaces or into internal pathways(ducts) that then connect to exterior

Question 14

Endocrine glands

Answer 14

Secret hormones or precursors into the interstitial fluid, then usually distributed by blood steam

Question 15

What type of epithelium lines the intestine?

Answer 15

Simple columnar epithelia

Question 16

What type of epithelium lines the salivary gland duct?

Answer 16

Stratified columnar epithelium

Question 17

What is the use of glandular epithelia?

Answer 17

Specialised sercretions

Question 18

What type of epithelium lines the trachea

Answer 18

Ciliated Pseudostratified columnar

Question 19

What type of epithelium lines the small intestine?

Answer 19

Simple columnar..micro villi

Allows absorption

Question 20

What are 2 special names given to simple squamous epithelia and where are they found

Answer 20

Mesothelium - ventral body cavities

Endothelium - lines heart and blood vessels

Question 21

What lines all ventral body cavities

Answer 21

Mesothelium - simple squamous

Question 22

What lines the heart and blood vessels

Answer 22

Endothelium - simple squamous

Question 23

Where is simple cuboidal epithelium found?

Answer 23

Lining exocrine glands and ducts, portions of the kidneys and lining secretory chambers in the thyroid gland

Question 24

Where is stratified cuboidal found?

Answer 24

Rare | Found along ducts of sweat glands and mammary glands and other exocrine glands

Question 25

What is the term meaning no blood vessels?

Answer 25

Avscular