Vasopressins
Antidiuretic hormones released by the NEUROHYPOPHYSIS of all vertebrates (structure varies with species) to regulate water balance and OSMOLARITY. In general, vasopressin is a nonapeptide consisting of a six-amino-acid ring with a cysteine 1 to cysteine 6 disulfide bridge or an octapeptide containing a CYSTINE. All mammals have arginine vasopressin except the pig with a lysine at position 8. Vasopressin, a vasoconstrictor, acts on the KIDNEY COLLECTING DUCTS to increase water reabsorption, increase blood volume and blood pressure.
Year introduced: 1979
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Subheadings:
Tree Number(s): D06.472.699.631.692.781, D12.644.400.900, D12.644.456.925, D12.644.548.691.692.781, D12.776.631.650.937
MeSH Unique ID: D014667
Registry Number: 11000-17-2
Entry Terms:
- beta-Hypophamine
- beta Hypophamine
- Antidiuretic Hormones
- Antidiuretic Hormone
- Hormone, Antidiuretic
- Pitressin
- Vasopressin (USP)
- Vasopressin
See Also:
Pharmacologic Action: