brain stem

brain stem

1. mid brain

   • ventral surface
     • two cerebral peduncles ( crus cerebra)
     • interpudencular fossa
   • dorsal surface
     • superior colliculi
       • lateral geniculate body
     • inferior colliculi
       • medial geniculate body
   • nerves
     • oculomotor and trochlear
   • pons
     • ventral surface
       • basilar groove for basilar artery
     • dorsal surface
       • emential medialis
       • facial colliculus
       • vestibule area
     • nerves from CRN 5-8
     • MEDULLA
       • VENTRAL SURFACE
         • ANTERIOR MEDIAN FISSURE
         • PYRAMIDS
         • OLIVE
         • PYRAMIDAL DECUSSION
       • DORSAL SURFACE
         • UPPER PART
           • medullary striae
           • trigones
         • LOWER PART
           • F.GRACILUS ELEVATION
           • F.CUNEATE