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Regulatinn of Hormone Secretion

ENDOCRINE PHYSIOLOGY

Negative Fccdback

Hypolhalamus

V

Target tissue (e.g., musde)

©

©

Posil ive Feedback

Hvpothalamus ©

Anterior

pituitary

C-Afddl&k-

^CWN1

Figurę 8.2 Feedback Regulation-

Hormone secrelion is regulated by both negative feedback mechanisms (e.g., testosteron?) and positive feedback merhanisms le.g., tollicular phase of the menstrual cyde).

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