Posterior Pituitary - Hormones Secreted

Hormones Secreted

Hormones known classically as posterior pituitary hormones are synthesized by the hypothalamus. They are then stored in neurosecretory vesicles (Herring Bodies) before being secreted by the posterior pituitary into the bloodstream.

Hormone Other names Symbol(s) Target Effect Source
Oxytocin Pitocin (trade name) OT Uterus, mammary glands Uterine contractions; lactation supraoptic and paraventricular nuclei
Vasopressin (antidiuretic hormone) Arginine vasopressin, argipressin, antidiuretic hormone VP, AVP, ADH Kidneys or Arterioles Stimulates water retention; raises blood pressure by contracting arterioles, induces male aggression supraoptic and paraventricular nuclei

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