Another pictures:
Description:
Rhomboid fossa; Floor of fourth venticle
Posterior (dorsal) median sulcus Gracile fasciculus Gracile tubercle Cuneate fasciculus Cuneate tubercle Lateral funiculus Trigeminaltubercle Inferior cerebellar peduncle Rhomboid fossa; Floor of fourth venticle Obex Tectal plate; Quadrigeminal plate Superior colliculus Inferior colliculus Brachium of superior colliculus Brachium of inferior colliculus Frenulum Superior medullary velum Superior cerebellar peduncle Epifysis cerebri Diencephalon