RHINAL FISSURE By N., Pam M.S. - April 28, 2013 In the brain, a cleft present on the anterior medial surface of each temporal lobe. Also known as: rhinal sulcus. RHINAL FISSURE: "There are two rhinal fissures in the brain." Related Psychology Terms PRECUNEUS FISSURE CALCARINE FISSURE CALCARINE AREA CALCARINE FISSURE PYRIFORM AREA (PIRIFORM AREA) ANGULAR GYRUS CALLOSAL SULCUS LOBECTOMY PRECENTRAL GYRUS Cite this page: N., Pam M.S., "RHINAL FISSURE," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/rhinal-fissure/ (accessed January 23, 2021).