intraparietal sulcus

in·tra·pa·ri·e·tal sul·cus

[TA]

a horizontal sulcus extending back from the postcentral sulcus over some distance, then dividing perpendicularly into two branches so as to form, with the postcentral sulcus, a figure H. It divides the parietal lobe into superior and inferior parietal lobules.

Synonym(s): sulcus intraparietalis [TA], interparietal sulcus, intraparietal sulcus of Turner, Turner sulcus

intraparietal sulcus

[-perī′ətəl]

Etymology: L, intra + paries, wall, sulcus, groove

an irregular groove on the convex surface of the parietal lobe that marks the division of the inferior and superior parietal lobules of the cerebrum. Also called interparietal fissure.

in·tra·pa·ri·e·tal sul·cus

(in'tră-păr-ī'ĕ-tăl sŭl'kŭs) [TA]

A horizontal sulcus extending back from the postcentral sulcus over some distance, then dividing perpendicularly into two branches so as to form, with the postcentral sulcus, the letter H. It divides the parietal lobe into superior and inferior parietal lobules.

intraparietal sulcus

A groove branching from the postcentral sulcus and running transversely and posteriorly along the lateral surface of the parietal lobe of the brain. It divides the posterior portion of the parietal lobe into two parts, the superior and the inferior parietal lobules.

See also: sulcus