CALLOSAL SULCUS By N., Pam M.S. - April 7, 2013 n. a medial sulcus in the brain, forming a fissure between the two cerebral hemispheres. It is located between the cingulate gyrus and the corpus callosum. Also called the sulcus corporis callosi. CALLOSAL SULCUS: "The callosal sulcus separates the cingulate gyrus from the corpus callosum." Related Psychology Terms CALLOSAL SULCUS CALLOSAL CALCARINE FISSURE CALCARINE AREA RIGHT HEMISPHERE RIGHT BRAIN LIMBIC LOBE MESOCORTICAL SYSTEM SPLIT BRAIN CALCARINE FISSURE Cite this page: N., Pam M.S., "CALLOSAL SULCUS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/callosal-sulcus/ (accessed August 5, 2020).