Neurohypophysis Flashcards
1
Q
2 hormones of posterior pituitary
A
ADH
Oxytocin
2
Q
ADH is released in response to…
A
increase in sodium (hypernatremia)
caused by high dietary Na or high aldosterone levels
3
Q
action of ADH
A
reabsorbs water in later DCT and collecting duct of nephron in kidney by inserting aquaporins in the membrane
4
Q
ADH deficiency
A
leads to polyuria and polydypsia = diabetes insipidus
5
Q
when is oxytocin released?
A
in labor, during lactation
6
Q
action of oxytocin
A
contracts uterus, milk let-down
