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11 years ago
What hypothalamic control mechanisms are used to affect endocrine activity in the anterior pituitary?
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#1
11 years ago
The hypothalamus controls the anterior pituitary through a series of releasing hormones
Releasing hormones travel in a portal system to the pituitary gland
They either stimulate of inhibit the release of anterior pituitary hormones
The anterior pituitary produces 6 major hormones
ACTH - acts on the adrenal cortex
TSH - acts on the thyroid
LH / FSH act on the ovaries and testes
Prolactin - acts on the breast
Growth hormones - has diverse actions
The anterior pituitary is controlled by negative feed back loops
wrote...
#2
11 years ago
hypothalamus secrete many hormones that affect the action of adenohypophysis(ant. pituitary)
there are both releasing and inhibiting hormones for both growth h. and prolactin h.
while there are only releasing h. for :
TSH,FSH,LH,ACTH
 allthese hormones are released from axonal ends of hypothalamic neurons and find their way to the ant. pit. via portal system of circulation
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