lab_1-external_features

lab_1-external_features -...

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Sheep Brain Dissection: You will need to remove the meninges and small pieces of bone from your sheep  brains.  Begin by removing the two masses of fat attached to the rostral (front) portions  of the optic nerves.  Be careful not to pull off the optic nerves.  Note:  see page 18 for a  view of the optic nerve. Next, carefully dissect away the dura mater .  To remove the dura mater, cut from  anterior to posterior along the falx cerebri (the double fold of dura mater that dips into  the longitudinal fissure) and make two cuts along the cerebellum upon reaching the  tentorium cerbelli (the double fold of dura mater that separates the occipital lobe from  the cerebellum.  Now, snip the tentorium in half by gently opening up the space  between the cerebellum and occipital lobe.  The dura mater should pull away freely from  most of the dorsal (top) surface of the brain. Carefully remove the dura from the ventral (bottom) surface, 
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This note was uploaded on 09/13/2010 for the course PSC 78627 taught by Professor Karenbales during the Fall '10 term at UC Davis.

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lab_1-external_features -...

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