Adenohypophysis, Neurohypophysis

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Hormone

Target(s)

Action

Origin

Responds to

TSH

Thyroid

Stimulate Thyroid gland Secretion

ANTERIOR Pituitary

TRH

ACTH

Adrenal CORTEX

Stimulate Adrenal CORTEX

ANTERIOR Pituitary

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hGH

Skeleton, Muscles

Increase cell uptake of AA in Muscle & Bone, stimulate Protein synthesis

ANTERIOR Pituitary

GH-RH, LOW Blood Glucose, Exercise, Stress

PRL (Prolactin)

Mammary Glands

Causes & Maintains Milk production

ANTERIOR Pituitary

Placenta --> Estrogens & Progesterone - Fetus --> Estrogen

FSH

Gonads

produce Eggs/Sperm

ANTERIOR Pituitary

GnRh --> Anterior Pituitary

LH/ICSH

Gonads

produce Testosterone / Estrogen & Progesterone

ANTERIOR Pituitary

GnRh --> Anterior Pituitary

Oxytocin

Reproductive Smooth Muscle

stimulates CONTRACTION of Reproductive Smooth Muscle: Uterus, Prostate

POSTERIOR Pituitary

APs from Hypothalamus - suckling/uterine stretch

ADH

Collecting Ducts of Renal Nephron

promotes H2O Reabsorption in Nephron

POSTERIOR Pituitary

APs from Hypothalamus - Extracellular Osmolarity, Blood Pressure changes