Hormone
bradykinin Audio
brad·y·kin·in [ brad-i-kin-in, -kahy-nin ]
Subclass of:
Oligopeptides; Neuropeptides; Kinins
Definitions related to bradykinin:
  • A nonapeptide kinin and neuropeptide involved in blood pressure regulation and pain receptor stimulation.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • A nonapeptide messenger that is enzymatically produced from KALLIDIN in the blood where it is a potent but short-lived agent of arteriolar dilation and increased capillary permeability. Bradykinin is also released from MAST CELLS during asthma attacks, from gut walls as a gastrointestinal vasodilator, from damaged tissues as a pain signal, and may be a neurotransmitter.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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