The largest and deepest<unk>  in the<unk>  is named the<unk>  sulcus (or<unk><unk> .
It commences in front of the pons, and passes<unk> ly around the free margin of the hemisphere to the middle line behind, and divides the<unk>  into an upper and a lower portion.
Horizontal fissure of cerebellum
Vallecula of cerebellum
Uvula of cerebellum
Lingula of cerebellum
Inferior cerebellar peduncle
Limbus of fossa ovalis
Anterior commissure
Posterior lobe of cerebellum