Callosal sulcus

Last revised by Francis Deng on 5 Jan 2025

The callosal sulcus or sulcus of corpus callosum (TA) is a sulcus of the brain, located on the medial side of each cerebral hemisphere, just superior to the corpus callosum

Gross anatomy

The callosal sulcus runs posteriorly from the genu to the splenium of the corpus callosum. It separates the cingulate gyrus dorsally from the corpus callosum ventrally 1

Blood supply

The anterior portion is supplied by branches of the anterior cerebral artery, namely the pericallosal and callosomarginal artery. The posterior portion is supplied by the posterior pericallosal artery, a branch of the posterior cerebral artery

Cases and figures

  • Figure 1: neuroanatomy: medial cortex (diagrams)
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