Across
- 5. the branching projections of a neuron
- 9. (3 words) brain and spinal cord comprise this system
- 11. cranial nerve that conducts impulses from the nose to the brain and functions in our sense of smell
- 12. specialized connective tissue cells that hold functioning neurons together and protect them; aka neuroglia
- 13. the loss of the ability to make voluntary movements
- 17. (2 words) part of ANS; conduct impulses from a ganglion to cardiac muscle, smooth muscle, or glandular epithelial tissue.
- 22. (3 words)nerves that lay outside the brain and spinal cord
- 27. a group of nerve-cell bodies located in the PNS
- 29. tough, fluid-containing membrane found surrounding the spinal cord and the brain
- 30. the elongated projection of a neuron
Down
- 1. (3 words) structures that regulate the body's automatic or involuntary functions
- 2. ________________ disease is a chronic nervous disorder resulting from a deficiency of the neurotransmitter dopamine in the cerebral nuclei of the cerebrum.
- 3. a crucial part of the brain that controls body temperature helps control our heartbeat, among other things
- 4. aka "water on the brain"; a condition where the CSF builds up in the brain because it cannot drain away
- 6. largest and uppermost part of the brain
- 7. largest organ of the CNS
- 8. (2 words) fluid found in the spinal column and in the brain
- 10. microscopic space that separates the axon ending of one neuron from the dendrites of another neuron
- 14. part of the brain responsible for muscle coordination; maintenance of equilibrium and posture
- 15. skin surface areas that are supplied by a single spinal nerve
- 16. another, more common name for Herpes zoster, a unique viral infection that almost always affects the skin of a single dermatome
- 18. (2 words) a self-propagating wave of electrical disturbance that travels along the surface of a neuron's plasma membrane
- 19. (2 words) structure that connects the two halve or hemispheres of the cerebrum
- 20. nerve cells
- 21. part of the brain that helps produce sensations, associates sensations with emotions and plays a part in the alerting mechanism
- 23. a chemical by which neurons communicate
- 24. a type of Glia that help hold nerve fibers together and also produce the fatty myelin sheath that envelops nerve fibers located in the brain and spinal cord
- 25. _________________ nervous system is part of the ANS and performs such functions as speeding up heart rate, secreting adrenaline & delaying emptying the bladder
- 26. (2 words) upward extension of the spinal cord; the "vital centers" are located here.
- 28. a group of peripheral nerve fibers (axons) bundled together like the strands of a cable