inferior frontal sulcus

(redirected from frontal grooves)
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in·fe·ri·or fron·tal sul·cus

[TA]
a sagittal fissure on the lateral convex surface of each frontal lobe of the cerebrum demarcating the middle from the inferior frontal gyrus.
Synonym(s): sulcus frontalis inferior [TA]

inferior frontal sulcus

A groove running from front to back along the lateral surface of the frontal lobe of the brain, separating the middle frontal gyrus from the inferior frontal gyrus.
See also: sulcus