— histaminic /his'teuh min"ik/ , adj.
/his"teuh meen', -min/ , n.
1. Physiol. a histidine-derived amine compound that is released mainly by damaged mast cells in allergic reactions, causing dilation and permeability of blood vessels and lowering blood pressure.
2. Pharm. a commercial form of this compound, obtained from histidine and used chiefly in the diagnosis of gastric and circulatory functions. Cf. antihistamine .
Also, histamin /his"teuh min/ .
[ 1910-15; HIST(IDINE) + -AMINE ]