Neuro Quiz 4 Part 2

The volume of gray matter is greatest at

Cervical and lumbosacral levels (areas innervating the extremities)
Laminae I – IV
- Substancia gelatinosa
- Receives extroceptive input
- -----pain, temp, touch, pressure
Laminae V – VI
- Clark’s column, Nucleus Dorsalis
- Receives proprioceptive info (conscious and unconscious)
Laminae VII
- Internuncial pool, nucleus proprius
- Deals with reflex reactions of the SC
Laminae VIII

Connects laminae VII to laminae IX
Laminae IX (medial)
- Contains a mass of cell interconnections and gamma motor neurons
- ---intrafusal muscle fiber in the polar region of muscle spindles
Laminae IX (lateral)
- Alpha motor neurons
- --- controls skeletal muscles
Cerebellum location of gray and white matter
- Gray: outside (cortex)
- White: inside (corpus medularis)
What structures increase the area of the cerebellum?

Gyri and sulci
Name of gyri in cerebellum

Folia
How is the cerebellum connected to the brain stem?
- By 3 cerebellar peduncles
- -- superior cerebellar peduncle (brachium conjunctivum)
- -- middle cerebellar peduncle (brachium pontis)
- -- inferior cerebellar peduncle (restiform body)
superior cerebellar peduncle in cerebellum

brachium conjunctivum
middle cerebellar peduncle in cerebellum

brachium pontis
inferior cerebellar peduncle in cerebellum

restiform body

Author

jld15

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Card Set

Neuro Quiz 4 Part 2

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Neuro Quiz 4 Part 2

Updated

2014-11-09T21:17:14Z

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