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Flashcards in Brain And CNs Deck (8)
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1

Where do the pathways cross? (Left brain controls right body and vice versa)

Decussation of pyramids located on the medulla oblongata

2

What is pia mater? (Meningies)

Sits on gyri and extends down to sulci. Inner most meninge

3

Where is CSF located? (Meninges)

The web like (CT extensions) subarachnoid space. (Below arachnoid mater). Middle meninx. Blood vessels travel here.

4

Dura mater (meninges)

Outer most meninx. Outer layer will line inner bone surface. Inner layer will cover arachnoid mater.

Falx cerebri - runs the latitudinal fissure b/w cerebral hemispheres
Falx cerebelli - separates 2 hemispheres of cerebellum
Tentorium cerebelli - separates cerebellum from cerebrum

5

CN I

Olfactory nerve - smell
Located in frontal lobe

6

CN II

Optic nerve - vision
Located in retina and extends through the optic canals of the sphenoid bone.

7

CN III

Oculomotor nerve - movement of the eye
Located in ventral midbrain

8

CN IV

Trochanter nerve - innervates one of the extrinsic eye muscles.
Located in dorsal midbrain