noun
longitudinal fissure; interhemispheric fissure
Anatomical term for the deep groove that separates the left and right cerebral hemispheres.
大脳縦裂は左右の大脳半球を分けている。
The longitudinal fissure separates the left and right cerebral hemispheres.
Compound of 大脳 (cerebrum) + 縦裂 (longitudinal fissure).