CyclizineA histamine H1 antagonist given by mouth or parenterally for the control of postoperative and drug-induced vomiting and in motion sickness. (From Martindale, The Extra Pharmacopoeia, 30th ed, p935)
HistamineAn 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.
Tradename for histamine dihydrochloride.
MouthThe oval-shaped oral cavity located at the apex of the digestive tract and consisting of two parts: the vestibule and the oral cavity proper.
Part of the oral cavity bounded laterally and ventrally by the alveolar arches and their contained TEETH. Its roof is formed by the PALATE and it communicates posteriorly with the OROPHARYNX.
Slitlike space in the ORAL CAVITY, bounded externally by the LIPS and CHEEK, and internally by the GINGIVA and TEETH.
VomitingThe forcible expulsion of the contents of the STOMACH through the MOUTH.
MotionPhysical motion, i.e., a change in position of a body or subject as a result of an external force. It is distinguished from MOVEMENT, a process resulting from biological activity.
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