Hypothalamus Flashcards
1
Q
What is the structure of the hypothalamus?
A
funnel-like shape, forms walls of 3rd ventricle
2
Q
The hypothalamus works together with which other gland?
A
Pituitary gland
3
Q
The hypothalamus secretes what? And it secretes these into which gland?
A
inhibiting/releasing hormones; anterior pituitary gland
4
Q
What regulates the hypothalamus?
A
feedback
5
Q
Describe an example of negative feedback with regard to the hypothalamus.
A
hypothalamus secretes TRH –> TRH stimulates thyrotropes in the anterior pituitary to release TSH –> stimulates thyroid –> thyroid secretes TH (T3 & T4)
6
Q
Most releasing/inhibiting hormones of the hypothalamus are ___ except for ___?
A
peptides;dopamine