tic[tik]

Type:Term

Definitions
1. Habitual, repeated contraction of certain muscles, resulting in stereotyped individualized actions that can be voluntarily suppressed for only brief periods, clearing the throat, sniffing, pursing the lips, excessive blinking; especially prominent when the person is under stress; there is no known pathologic substrate.

Synonyms
Brissaud disease , habit chorea , habit spasm

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