Also known as: TR., TR-
TR has various meanings in the Medical category. Discover the full forms, definitions, and usage contexts of TR in Medical.
A tremor is an involuntary, somewhat rhythmic, muscle contraction and relaxation involving oscillations or twitching movements of one or more body parts. It is the most common of all involuntary movements and can affect the hands, arms, eyes, face, head, vocal folds, trunk, and legs. Most tremors occur in the hands. In some people, a tremor is a symptom of another neurological disorder.
MedicalHaving three flaps or cusps. For example, the aortic valve and the tricuspid valve in the heart each have three cusps.
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