Inferior Frontal Gyrus

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** A region on the surface of the frontal lobe visibly divided into three parts: the pars opercularis, the pars triangularis, and the pars orbitalis. It is bound by the inferior frontal sulcus dorsally and the lateral fissure ventrally.

**Synonyms:** - Inferior Frontal Convolution