[On the mechanism of vasodilatation during an allergic reaction].
D000937:Antigen-Antibody Reactions; D001342:Autonomic Nervous System Diseases; D001808:Blood Vessels / Q000502:physiology*; D002320:Cardiovascular Physiological Phenomena; D006940:Hyperemia; D006967:Hypersensitivity; D014664:Vasodilation
ANTIGEN-ANTIBODY REACTIONS; BLOOD VESSELS/physiology; HYPEREMIA/experimental