Chemicals and Drugs

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.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

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.

MeSH Record

Classification

Related Concepts

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Drug Class

Pharmacological Action

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See Also

MeSH Record

Synonyms

8 entry terms
  • Antidiuretic Hormone
  • Antidiuretic Hormones
  • beta-Hypophamine
  • Hormone, Antidiuretic
  • beta Hypophamine
  • Pitressin
  • Vasopressin
  • Vasopressin (USP)

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

general or unspecified; prefer specifics

MeSH Record

History Note

79; was VASOPRESSIN 1963-78

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Vasopressins. Medical Subject Headings (MeSH). 2026. Unique ID D014667. http://id.nlm.nih.gov/mesh/2026/D014667
  2. Vasopressins. In: Wikidata. https://www.wikidata.org/wiki/Q66571917