anterior calcarine sulcus
Acronym: acs
The term anterior calcarine sulcus refers to a rostral extension of the calcarine sulcus on the medial surface of caudal cerebral cortex in the human ( Roberts-1970 ). In some cases the extension reaches the hippocampal fissure ( Duvernoy-1992 ), in which case it defines the boundary between the isthmus of the cingulate gyrus and the parahippocampal gyrus of the limbic lobe. While the calcarine sulcus of the macaque ordinarily extends equally far into the limbic lobe, the rostral portion is not named ( Martin-2000; Paxinos-2009a ). Comparable structures are not found in the smooth cerebral cortex of the rat or mouse ( NeuroNames ).

Also known as: anterior calcarine fissureNeuroNames ID : 45

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