Histology Practical

Question 1

what two forms does epithelial tissue present as?

Answer 1

sheets of contiguous cells
and
glands

Question 2

what are some examples of the functions of epithelial tissues?

Answer 2

Protection of underlying tissues of the body from abrasion and injury
Transcellular transport of molecules across epithelial layers
Secretion of mucus, hormones, enzymes etc.
Absorption of material from a lumen
Detection of sensations via taste buds, retina of eye, and specialised hair cells in the ear

Question 3

location of simple squamous epithelium?

Answer 3

air sacs in lungs and lining of the heart, blood vessels and lymphatic vessels

Question 4

function of simple squamous epithelium?

Answer 4

allows materials to pass through by diffusion and filtration and secretes lubricating substance

Question 5

location of simple cuboidal epithelium?

Answer 5

in ducts of secretory portions of small glands and in kidney tubules

Question 6

function of simple cuboidal epithelium?

Answer 6

secretes and absorbs

Question 7

location of simple columnar epithelium?

Answer 7

ciliated tissues are in bronchi uterine tubes and uterus: smooth (nonciliated tissues) are in the digestive tract bladder

Question 8

function of simple columnar epithelium?

Answer 8

absorbs; it also secretes mucous and enzymes

Question 9

location of pseudostratified columnar epithelium?

Answer 9

ciliated tissue lines the trachea and much of the upper respiratory tract

Question 10

function of pseudostratified columnar epithelium?

Answer 10

secretes mucus, ciliated tissue moves mucus

Question 11

location of stratified squamous epithelium?

Answer 11

lines the oesophagus, mouth and vagina

Question 12

function of stratified squamous epithelium?

Answer 12

protects against abrasion

Question 13

location of stratified cuboidal epithelium?

Answer 13

sweat glands, salivary glands and the mammary glands

Question 14

function of stratified cuboidal epithelium?

Answer 14

protective tissue

Question 15

location of stratified columnar epithelium?

Answer 15

the male urethra and the ducts of some glands

Question 16

function of stratified columnar epithelium?

Answer 16

secretes and protects

Question 17

location of transitional epithelium?

Answer 17

lines the bladder, urethra and the ureters

Question 18

function of transitional epithelium?

Answer 18

allows the urinary organs to expand and stretch