Spinal Cord

Question 1

Caudal end of cord

Answer 1

Conus medullaris

Question 2

First enlargement

Answer 2

Cervical: C5-T1

Question 3

Second enlargement

Answer 3

Lumbar Enlargement: L2-S3

Question 4

Where a lot of pain and temperature fibers end in the anterior horn of the spinal cord

Answer 4

Substantia gelantinosa

Question 5

Where is the spinal accessory nucleus and what does it form

Answer 5

Caudal medulla to C5,

Accessory Nerve

Question 6

What nucleus is at C3, C4, and C5 and what does it innervate

“C3,4,5 keeps the body alive”

Answer 6

Phrenic nucleus, innervates the diaphragm

Question 7

Sensory, posterior horn structure that controls proprioceptive information from the leg. And what cord levels

Answer 7

Clarke’s Nucleus, cord levels T1-L2

Question 8

Artery that helps supply the lower spinal cord

Answer 8

Greater Vertebral Artery
or
Artery of Adamkiewicz

Question 9

Spinal cord suspended by________, and conus medullaris anchored by_________.

Answer 9

• Denticulate ligaments (psi-arachnoid extensions)

- Filum Terminale