- 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.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- A nonapeptide kinin and neuropeptide involved in blood pressure regulation and pain receptor stimulation.
Definition from: CRISP Thesaurus via Unified Medical Language System at the National Library of Medicine
See also Understanding Medical Terminology.