Nerve Cells
Across
- 1. nerve cell extensions are called nerve ______
- 4. These neurons have a single process that branches to form a central process and peripheral process
- 5. Type of glia that carries on phagocytosis
- 8. Place where nerve information is transmitted from one neuron to another
- 9. Star shaped glia that feed the neurons by picking up glucose
- 11. are found only in the PNS and support nerve fibers
- 13. cranial nerves originate here
- 17. These cells form thin sheets that line cavities in the brain
- 18. These neurons have one axon and several dendrites
- 21. This is the rest or repair division
- 24. structural and functional center of the entire nervous system
- 25. This division prepares the body for fight or flight
Down
- 2. Another name for the cell body
- 3. The visceral effectors of the ANS carry information smooth muscles, cardiac muscles and _____
- 6. Support the neurons
- 7. Excitable cells that conduct impulses
- 10. carry information to the skeletal muscles
- 12. This division of the nervous system consists of incoming sensory pathways
- 14. the efferent division consists of all outgoing _______ pathways
- 15. These neurons are found in the retina, inner ear and olfactory pathway
- 16. produce the fatty myelin sheath
- 19. receive stimuli and conduct electrical signals
- 20. Bundles of intermediate filaments
- 21. consists of nerve tissues that lie in the periphery
- 22. Microscopic gaps in the myelin sheath are called nodes of _______
- 23. Conduct impulses away from the cell body