Disorders caused by abnormal or absent immunologic mechanisms, whether humoral, cell-mediated, or both.
Immune Disorders,Immune System Disorders,Immunologic Diseases,Diseases of Immune System,Immune Diseases,Immunological Diseases,Disease, Immune,Disease, Immune System,Disease, Immunologic,Disease, Immunological,Disorder, Immune System,Immune Disease,Immune Disorder,Immune System Disease,Immune System Disorder,Immunologic Disease,Immunological Disease
D006632
Histamine
An amine derived by enzymatic decarboxylation of HISTIDINE. It is a powerful stimulant of gastric secretion, a constrictor of bronchial smooth muscle, a vasodilator, and also a centrally acting neurotransmitter.