TOC Dissector Quiz Index Help Head and Neck Previous Page Next Page Overview
Laboratory 28. Cranial Fossae
Step 6. Removal of Brain: Severing of Cranial Nerves V-XII

Previous Image Next Image

Click for Full Screen
Click image to view full screen

Orientation Icon

Next, identify the tentorium cerebelli [sagittal section], a projection of the dura mater which lies between the cerebral hemispheres and the cerebellum posteriorly. Cut the tentorium cerebelli to expose the cerebellar hemispheres and other cranial nerves.

Continue to elevate the brain and cut the remaining cranial nerves as the brain is elevated from the cranial cavity:

Observe the basilar artery on the anterior surface of the brain stem as the brain is being elevated. Cut through the brain stem at the level of the foramen magnum and remove the brain.

Links and References:
Grant's: 7.18
Netter: 95, 96
Rohen/Yokochi: 88