Glands

Question 1

How are sebaceous glands classified by
secretory method?

Answer 1

Holocrine

Question 2

How are apocrine glands classified by form?

Answer 2

Simple coiled tubular

Question 3

How are eccrine glands classified by secretory
method?

Answer 3

Merocrine

Question 4

Germinative cell of sebaceous gland?

Answer 4

Basal cell

Question 5

Epithelia type of sebaceous duct

Answer 5

Keratinized stratified squamous

Question 6

Secretory product of sebaceous gland

Answer 6

Sebum

Question 7

Classification of sebaceous gland of haired skin

Answer 7

Simple acinar

Question 8

what type of a gland is hepatoid gland?

Answer 8

modified sebaceous gland

Question 9

Epithelia type of ceruminous gland

Answer 9

Simple cuboidal

Question 10

Type of secretion of glands on paw pad of dogs

Answer 10

Merocrine

Question 11

endocrine glands vs exocrine glands?

Answer 11

endocrine - release substances directly into the bloodstream

exocrine - release substances thru ducts onto epithelial surfaces

Question 12

Ex of unicellular exocrine gland:

Answer 12

goblet cells

Question 13

Classification of exocrine glands

Answer 13

1. method of secretion
2. forms - shape and duct structure

Question 14

three modes of secretion?

Answer 14

1. merocrine
2. apocrine
3. holocrine

Question 15

merocrine?

Answer 15

exocytosis - vesicle is fused with the apical surface of the cell to release

Question 16

apocrine?

Answer 16

apical surface of the cell buds off like giving a piece of itself

piece of cytosol is part of vesicles

Question 17

holocrine?

Answer 17

rupture and shedding of dead cells

Question 18

shapes of glands

Answer 18

tubular, aciner, alveolar

Question 19

tubular, aciner, alveolar

Answer 19

alveolar

Question 20

tubular, aciner, alveolar

Answer 20

aciner

Question 21

tubular, aciner, alveolar

Answer 21

tubular

Question 22

two types of duct structure

Answer 22

simple - single duct

compound - branching duct

Question 23

two types of glandular adnexa

Answer 23

sebaceous glands

sweat glands - sudoriferous

Question 24

how are sebaceous glands organized?

Answer 24

central clusters of sebocytes surrounded by a single layer of basal cells

Question 25

epithelia of sebaceous gland duct

Answer 25

stratified squamous duct

Question 26

shape and mode of secretion of sebaceous glands

Answer 26

acinar gland with mode of secretion of holocrine

Question 27

function of sebaceous glands

Answer 27

produce sebum

Question 28

sebum?

Answer 28

oily secretion composed of triglycerides, phospholipids, and cholesterol

Question 29

function of sebum?

Answer 29

- protective, antimicrobial - important for healthy hair

Question 30

T/F Dog foot pads lack sebaceous glands

Answer 30

TRUe

Question 31

sebaceous hyperplasia?

Answer 31

too many sebaceous glands

Question 32

structure of preen gland (uropygial gland)

Answer 32

simple, branched, tubular, holocrine gland

Question 33

two types of sweat glands

Answer 33

apocrine glands eccrine glands

Question 34

apocrine glands are found in

Answer 34

the skin of animals

Question 35

structure of apocrine glands

Answer 35

simple cuboidal

Question 36

function of apocrine glands

Answer 36

Produce a viscous secretion that contains a scent that is related to communications between species

Question 37

apocrine cystomatosis

Answer 37

overproducing apocrine cysts and apocrine benign tumors

Question 38

two types of modified apocrine glands

Answer 38

ceruminous glands mammary glands

Question 39

ceruminous glands are found in

Answer 39

the ear

Question 40

structure of external ear canal?

Answer 40

keratinized, stratified, squamous epithelium

Question 41

structure of ceruminous glands?

Answer 41

simple tubular gland with simple cuboidal epithelium

Question 42

myoepithelial cell?

Answer 42

hybrid of smooth muscle and epithelial origin

Question 43

location of myoepithelial cell

Answer 43

in btw the basement membrane and actual duct cell

Question 44

structure of ducts?

Answer 44

stratified cuboidal duct

Question 45

T/F myoepithelial cell contracts to release the secretory products down the duct

Answer 45

TRUE

Question 46

which gland is this

Answer 46

apocrine gland

Question 47

location of eccrine glands

Answer 47

- foot pad of dogs and cats - frog of the hoof of ungulates - the snout of pigs - the planum nasobiale (muzzle) of cows - the medial surface of the carpus of pigs

Question 48

T/F eccrine glands dump secretion out onto the epidermal surface directly not thru hair follicles

Answer 48

TRUE

Question 49

types of modified sebaceous glands

Answer 49

- meibomian glands - circumanal glands (perianal or hepatoid)

Question 50

function of meibomian glands

Answer 50

produce lipid portion of tear film

Question 51

Follicular cast is formed when

Answer 51

when sebaceous glands cannot produce sebum well → keratin + oily sebaceous material stick to the base of the hair shaft

Question 52

DON'T MEMORIZE; JUST FOR FYI Sebaceous Adentitis susceptible dog breed

Answer 52

standard poodle, akita, samoyed, vizsla, Lhasa apso, havanese

Question 53

T/F there's no cure for sebaceous adentitis bc sebaceous glands will not come back

Answer 53

TRUE

Question 54

Duct?

Answer 54

take the secretory product to the epithelial surface

Question 55

Gland?

Answer 55

secretory portion that produces the product

Question 56

which one is a duct and which one is a gland?

Answer 56

left red - gland right red - duct

Question 57

location of sebaceous glands

Answer 57

infraorbital, inguinal, interdigital regions of sheep base of the horn of goats anal sac of cats prepuce and circumanal region of dogs

Question 58

function of sebaceous gland in goats

Answer 58

scenting

Question 59

This waxy substance is produced by a type of modified apocrine gland in the external ear canal

Answer 59

cerumen

Question 60

This hormone is secreted by white adipose tissue and aids in regulation of food intake (satiation)

Answer 60

leptin

Question 61

These granules, which are bright pink when looking at them in histology slides, are involved of the cornification of the inner root sheath of the hair follicle.

Answer 61

trichohyaline granules