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

A、A) a gyrus is a ridge, and a sulcus is a groove;

B、B) a sulcus corresponds to a folia on the cerebellum, whereas a gyrus corresponds to a fissure. ;

C、C) a sulcus is the same as a fissure on the cerebral cortex, whereas a gyrus is a lobe.;

D、D) a sulcus is a groove, and a gyrus is a deeper groove.