A member asked:

What is the definition or description of: histamine?

A doctor has provided 1 answer
Dr. David Rosenfeld answered

Specializes in Pain Management

See below: Histamine is an organic nitrogen compound involved in local immune responses as well as regulating physiological function in the gut and acting as a neurotransmitter. Histamine triggers the inflammatory response. As part of an immune response to foreign pathogens, histamine is produced by basophils and by mast cells found in nearby connective tissues.

Answered 9/28/2013

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