It is easy to confuse the terms sulcus and gyrus (on the cerebral cortex). The difference between these two terms is that

A、A)agyrusisaridge,andasulcusisagroove;
B、B)asulcuscorrespondstoafoliaonthecerebellum,whereasagyruscorrespondstoafissure.;
C、C)asulcusisthesameasafissureonthecerebralcortex,whereasagyrusisalobe.;
D、D)asulcusisagroove,andagyrusisadeepergroove.