Histamine
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Histamine or histamin is an organic nitrogenous compound found in mammals and many vegetables, fruits and food products. It consists of an imidazole ring attached to an ethylamine chain; under physiol
Mast cells.
Neurotransmitter
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A neurotransmitter is a signaling molecule secreted by a neuron to affect another cell across a synapse. The cell receiving the signal, or target cell, may be another neuron, but could also be a gland
Histamine
…because it is produced without involvement of the classic endocrine glands; however, in recent years, histamine has been recognized as a central neurotransmitter. In humans it is involved in local immune responses communication, as well as regulating physiological functions in the gut and acting as a neurotransmitter…
Synaptic vesicles containing neurotransmitters