nervous system

3. 31 pair of nerves that connect with the spinal cord
4. a collection of neuron cell bodies outside the CNS
10. part of the brainstem between diencephalon and the pons
11. chemical that transmits energy across a synapse
13. fiber of neuron that conducts impulses away from the cell body
14. pertaining to the senses or sensation
15. the posterior portion of the brain dorsal to the pons and medulla
17. middle layer of the meninges
20. 12 pairs of nerves that are connected to the brain
24. basic unit of the nervous system
25. nerves that carry impulses away from the CNS
26. a fiber of a neuron that conducts impulses toward the cell body
27. extreme, persistent fear of specific object or situation
28. part of brain that receives all sensory impulses, except those for the sense of smell
29. part of ANS that mobilizes a response to stress, increases heart rate and respiration rate and deliver more blood to skeletal muscles
31. a branch of spinal nerve that connects with the spinal cord
33. autonomic nervous system
36. bundle of neuron fibers within the CNS
37. small cavity, such as one of the cavities in the brain in which csf is formed
38. a simple, rapid, and automatic response to a stimulus
40. localized dilation of a vessel that may rupture and cause hemorrhage
43. extends from the medulla oblongata to the second lumbar vertebra
45. a bundle of neuron fibers outside the CNS
46. junction between neurons

1. support cell of the nervous system
2. portion of brain that connects with the spinal cord
3. the division of nervous system that controls skeletal muscles
5. whitish, fatty substance that surrounds certain axons of the nervous system
6. matter myelinated tissue of nervous system
7. consist of spinal cord and brain
8. part of ANS that reverses the response to stress and restores homeostasis
9. producing movement
12. a shallow furrow or groove, as on the surface of the cerebrum
15. the large upper portion of the brain
16. the nervous tissue contained within cranium
18. innermost layer of meninges
19. the watery fluid that circulates in and around the brain and spinal cord for protection
21. the visceral nervous system
22. portion of nervous system outside the CNS
23. unmyelinated tissue of the nervous system
30. part of the brain that controls the pituitary gland and maintains homeostasis
32. any neuron located between a sensory and a motor neuron in neural pathway
34. the cerebrum's thin surface layer of gray matter
35. nerves that carry impulses toward the CNS
39. raised convulsion of the surface of the cerebrum
41. three membrane that cover the brain and spinal cord
42. the part of the vrain that consist of midbrain, pons, and medulla oblongata
44. rounded area on the ventral surface of the brainstem