| 释义 |
vasoˈpressin Physiol.
[f. as next + -in1.]
A polypeptide hormone present in the neurohypophysis of mammals which controls the retention of water in the kidneys and when given in large quantities raises the blood pressure by vasoconstriction.
1928[see oxytocin]. 1951A. Grollman Pharmacol. & Therapeutics xxvi. 553 Vasopressin is also used in the form of a tannate... A single injection of this preparation every 24 to 48 hours may adequately control the polyuria and polydipsia of patients with diabetes insipidus. 1965Lee & Knowles Animal Hormones ii. 29 The basic action of one of the two hormones, vasopressin or an analogous substance, is apparently the same in all terrestrial vertebrates, namely the maintenance of the osmotic tension of the extracellular fluid, and indirectly that of the intracellular fluid. 1976Smythies & Corbett Psychiatry vii. 115 After surgery vasopressin secretion induced by stress makes it impossible to dilute urine. 1981Sci. Amer. Oct. 114/1 Vasopressin, a peptide hormone, turns out to be also a neurotransmitter: nerve cells in the hypothalamus, a part of the brain, rely on vasopressin to signal other nerve cells in the brain. |