Wk5 Mammary gland histo

Question 1

Mainly know….

Answer 1

how to tell the difference between different stages of lactation (or inactive) glands)

Question 2

epithelium type in small ducts:

Answer 2

simple cuboidal

Question 3

epithilium type in ducts near nipple:

Answer 3

stratified squamous

Question 4

3 components of TDLU (terminal duct lobular unit):

Answer 4

1. extralobular terminal duct
2. intralobular terminal duct
3. lobule

Question 5

apocrine secretes:

Answer 5

lipid

Question 6

merocrine/eccrine secretes:

Answer 6

protein (small)

Question 7

Cells around alveoli that respond to oxytocin:

Answer 7

myoepithelial

Question 8

Intralobular tissue type in inactive gland:

Answer 8

loose CT

Question 9

intERlobular tissue type in inactive gland:

Answer 9

dense CT

Question 10

Which connective tissue becomes harder to see in active gland:

Answer 10

loose

Question 11

protein rich milk when?

Answer 11

begining of feeding

Question 12

lipid rich milk when?

Answer 12

end of feeding

Question 13

Hormonal stim of duct proliferation:

Answer 13

estrogen

Question 14

hormanal stim of alveolar proliferation:

Answer 14

progesterone

Question 15

promotes milk production after parturition

maturation of ducts before parturition

stimulates casein and lactose

Answer 15

Prolactin

Question 16

How does suckling increase prolactin?

Answer 16

decreases dopamine (prolactin inhibitory factor)

Question 17

contracts myoepithelial cells:

Answer 17

oxytocin

Question 18

milk accumulates in:

Answer 18

lactiferous sinuses (between lactiferous ducts)