Pitressin
hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules • Syn: vasopressin, antidiuretic hormone, ADH • Usage Domain: trade name • Hypernyms: hormone, endocrine, internal secretion, vasoconstrictor, vasoconstrictive, pressor
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