cerebral cortex, cerebral mantle, cortex, pallium - the layer of unmyelinated neurons (the gray matter) forming the cortex of the cerebrum

parietal gyrus - any of the convolutions of the outer surface of the parietal lobe of the cerebrum

postcentral gyrus - the convolution of parietal lobe that is bounded in front by the central sulcus

lobe - (anatomy) a somewhat rounded subdivision of a bodily organ or part; "ear lobe"