Objectives-3, BIO 2310, Spinal Cord and Spinal Nerves


1. Define spinal nerve and cauda equina.

2. Describe the overall functions of the spinal cord.

3. Describe the location of the spinal cord.

4. Describe the significance of the two spinal cord enlargements.

5. Name the protective coverings of the CNS (general & specific).

6. Describe the location of the cerebrospinal fluid (CSF).

7. Name the space and location where anesthetics are given.

8. Describe the parts of the gray matter of the spinal cord.

9. Describe the parts of the white matter of the spinal cord.

10. Describe the function of the ascending and descending tracts.

11. Define reflex, spinal reflex, somatic reflex, and autonomic reflex.

12. Describe the pathway of a generalized reflex arc.

13. Contrast monosynaptic, polysynaptic, ipsilateral, and contralateral reflexes. Describe the pathway for the patellar reflex, the withdrawal (flexor) reflex, and the crossed-extensor reflex.

14. Describe a spinal nerve; include the roots, and which roots carry motor/sensory impulses. Define ramus.

15. Define plexus.

16. Name and locate the 4 main plexuses.

17. Name the plexus of origin, and the general structures or areas innervated by the radial, ulnar, musculocutaneous, median, femoral, sciatic, and phrenic nerves.