11.1 Lactation Flashcards
1
Q
Define mammogenesis
A
Preperation of breasts
2
Q
Define lactogenesis
A
Synthesis and secretion from breast alveoli
3
Q
Define galactokinesis
A
Ejection of milk
4
Q
Define galacopoeisis
A
Maintenance of lactation
5
Q
What is the effect of oestrogen and progesterone on breast tissue?
A
Oestrogen - Sprouts tubules
Progesterone - Hypertrophy from squamous to columnar
6
Q
What does a high progesterone:oestrogen ratio favour in terms of breasts?
A
Growth but not secretion
7
Q
What is colostrum?
A
Milk secreted within 3 days of birth
IgA and white cells
8
Q
What does the act of suckling do the the hormonal axis?
A
Acts on the hypothalamus, causes the pituitary gland to produce Oxytocin (milk release) and prolactin (milk production)
9
Q
What is prolactins affect on the HPG axis?
A
Inhibits steroids via GnRH
