callosomarginal fissure


Also found in: Dictionary, Thesaurus, Encyclopedia.

cin·gu·late sul·cus

[TA]
a fissure on the medial surface of the cerebral hemisphere, bounding the upper surface of the cingulate gyrus (callosal convolution); the anterior portion is called the pars subfrontalis; the posterior portion that curves up to the superomedial margin of the hemisphere and borders the paracentral lobule posteriorly is the ramus marginalis.
Farlex Partner Medical Dictionary © Farlex 2012