CALCARINE FISSURE By N., Pam M.S. - April 7, 2013 n. a fissure found at the medial surface of the cerebrum. Beginning posteriorly, it extends from the occipital pole to the parieto-occiptal sulcus. Also called calcarine sulcus. See calcarine area. CALCARINE FISSURE: "The calcarine sulcus (or calcarine fissure) is closely associated with the primary visual cortex." Related Psychology Terms CALCARINE FISSURE CALCARINE AREA VISUAL CORTEX PRECUNEUS CALLOSAL SULCUS CALCARINE AREA CUNEUS RHINAL FISSURE PARIETO-OCCIPITAL SULCUS FISSURE Cite this page: N., Pam M.S., "CALCARINE FISSURE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/calcarine-fissure/ (accessed January 26, 2021).