parieto-occipital sulcus

English Thesaurus

1. a sulcus near the posterior end of each hemisphere that separates the parietal lobes and the occipital lobes in both hemispheres (noun.body)

hypernym	:	sulcus,
definition	:	(anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain (noun.body)