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inferior frontal gyrus

 

Definition: a broad convolution on the convexity of the frontal lobe of the cerebrum between the inferior frontal sulcus and the sylvian fissure; divided by branches of the sylvian fissure into three parts: opercular part [TA] (pars opercularis [TA]), triangular part [TA] (pars triangularis [TA]), and orbital part [TA] (pars orbitalis [TA]); the first two constitute a portion of the frontal operculum.

Synonym(s): gyrus frontalis inferiorTA, Broca convolution, inferior frontal convolution

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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