cingulate sulcus
Acronym: cgs
The term cingulate sulcus (cgs) refers to a deep longitudinal cleft separating the limbic lobe (LLB) from the frontal lobe (FLB) and rostral portion of the parietal lobe (PLB) in primates. Identified by dissection, it parallels the genu of the corpus callosum (ccg) and the body of the corpus callosum (ccb). In the human it separates the cingulate gyrus (CGG) from the superior frontal gyrus (SFG) dorsal to the ccb and ccr . Caudally it separates the CGG from the parts of the precentral gyrus (PRG) and postcentral gyrus (POG) on the mesial aspect of the cerebral hemisphere. Ffinally curving upward as the marginal sulcus it forms the boundary between the POG and the precuneus (PCU) ( Carpenter-1983 ).
      In the macaque it also separates the CGG from the SFG rostrally. Continuing caudally it separates the CGG from the mesial aspects of the PRG, POG and, when the caudal-most part remains horizontal, the superior parietal lobule (SPL) as well ( Dubach-2008 Martin-2000 ).
     Comparable structures are not found in the smooth cerebral cortex of the rat and mouse ( NeuroNames ). Up[dated 22 Aug 2021.

Also known as: callosomarginal sulcus, Sulcus cinguliNeuroNames ID : 43


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