| Table 1: | |||
|
Relationship
Among Hypothalamic, Pituitary, Target Glands, and Feedback Hormones
|
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|
Hypothalamic
Regulatory Hormone |
Pituitary
Hormone |
Target
Gland |
Feedback
Hormone |
|
TRH
|
TSH
|
Thyroid
gland
|
T4,
T3
|
|
LH-RH
|
LH
|
Gonad
|
E2,
T
|
|
LH-RH
|
FSH
|
Gonad
|
Inhibin,
E2, T
|
|
GH-RH,
SMS
|
GH
|
Multi-organs
|
IGF-1
|
|
PIF
|
Prolactin
|
Breast
|
?
|
|
CRH,
ADH
|
ACTH
|
Adrenal
|
Cortisol
|
|
ACTH
= Adrenocorticotropin hormone; ADH = Antidiuretic hormone; CRH = Corticotropin-releasing
hormone; E2 = Estradiol; FSH = Follicle-stimulating hormone; GH = Growth
hormone; GH-RH = Growth hormone-releasing hormone; IGF = Insulin-like
growth factor; LH = Luteinizing hormone; LH-RH = Luteinizing hormone-releasing
hormone; PIF = Prolactin release-inhibitory factor; SMS = Somatostatin;
T = Testosterone; T4 = Thyroxine; TRH = Thyrotropin-releasing
hormone; TSH = thyroid-stimulating hormone
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Copyright
2002 The Cleveland Clinic Foundation
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