Nervous System (Part I & II)
Across
- 1. This type of neuroglial cell is phagocytic.
- 3. Nerves in the _________ nervous system cannot regenerate.
- 4. The nervous system responsible for the fight-or-flight response
- 6. The enteric nervous system regulates activity in the _______.
- 11. The nervous system plays an essential role in maintaining _______.
- 12. This type of neural cell can replicate and divide.
- 13. The somatic nervous system conveys output from the CNS to _______ muscles only.
- 15. Tumor of the neuroglial cells.
- 17. Multiple sclerosis is the _________ of the myelin sheath.
- 18. The myelinated axons of a neuron mostly make up ________.
Down
- 1. Oligodendrocytes and Schwann cells form a _______ around the axons in the PNS and CNS. (2 words)
- 2. Myelinated axons are lined with a series of _________ while unmyelinated axons are encased by ________. (2 words)
- 5. Action potentials occur in this structure.
- 7. Remaining nucleus and cytoplasm of a Schwann cell.
- 8. Bundle of axons.
- 9. _______ degeneration occurs after an axonal injury.
- 10. This condition damages the peripheral nerves due to high blood glucose levels.
- 14. Gaps between the myelin sheath are called _______.
- 16. _______ carries impulses away from the cell body.
- 17. _______ carries impulses toward the cell body.