Also known as: trig.
TRIG has various meanings in the Healthcare category. Discover the full forms, definitions, and usage contexts of TRIG in Healthcare.
The os trigonum is an extra (accessory) bone that sometimes develops behind the ankle bone (talus). It is connected to the talus by a fibrous band. The presence of an os trigonum in one or both feet is congenital (present at birth).
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