a vasodilator that is released by cells in the human immune system as part of an allergic reaction; also affects the amount of stomach acid released
stimulates gastric secretions and dilates blood vessels; released during allergic reactions
amine formed from histidine that stimulates gastric secretions and dilates blood vessels; released by the humane immune system during allergic reactions
amine formed from histidine that stimulates gastric secretions and dilates blood vessels; released by the human immune system during allergic reactions