AP03 - Hypothalamus and Pituitary Flashcards
1
Q
What connect the hypothalamus and the anterior pituitary?
A
Hypophyseal portal veins in the hypothalamo-hypophyseal portal system
2
Q
What supplies the anterior pituitary?
A
the superior hypophyseal artery - which then forms a secondary capillary plexus (median eminence) around the anterior lobe
3
Q
What supplies the PP?
A
superior hypophyseal artery
infidubular artery
inferior hypophyseal artery
4
Q
What is significant about the drainage of the AP and the PP
A
It’s shared, the anterior and posterior hypophyseal veins
5
Q
What might happen as a result of a pituitary adenoma?
A
bitemporal hemianopia
6
Q
How is the pituitary gland accessed surgically?
A
In the trans-sphenoidal approach
