Vasopressin, Unspecified

**Semantic type:** Amino Acid, Peptide, or Protein|Pharmacologic Substance

**Definition:** An unspecified form of vasopressin, with antidiuretic property. Synthesized in the hypothalamus and stored in and released from the posterior lobe of the pituitary, vasopressin regulates extracellular fluid volume, acts as a vasoconstrictor, and increases blood pressure and systemic vascular resistance.

**Synonyms:** - VASOPRESSIN, UNSPECIFIED - Vasopressin