Breast Flashcards
1
Q
how many lobules are found in a breast
A
15-25
2
Q
what is the smallest functional unit of the breast
A
acini
3
Q
during pregnancy what hormones stimulate proliferation of breast tissue
A
oestrogen and progesterone
4
Q
what immunoglobulin is secreted in breast milk
A
IgA
5
Q
how are lipids secreted in breast milk
A
apocrine secretion
6
Q
how are proteins secreted in breast milk
A
merocrine(exocytosis)
7
Q
what changes occur to breast tissue after menopause
A
secretory cels of TDLUs degenrate leaving only ducts
8
Q
blood supply of breasts
A
lat and med mammary artery from internal and lateral thoracic artery