Nervous system

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Across
  1. 2. A sensory receptor that responds to mechanical energy such as touch or pressure
  2. 7. Region where a neuron meets its target cell
  3. 8. Concentric layers of cell membrane that wrap around and insulate axons
  4. 9. Rapidly adapting receptors that are attuned to changing conditions
  5. 10. The slow gate of the Na+ channel that closes to stop ion flow
  6. 11. Coiled structure of ear that contains receptors for hearing
  7. 13. Exposure to a noxious or intense stimulus creates an enhanced response upon subsequent exposure
  8. 15. Tight junctions in the brain capillaries that prevent free exchange of many substances between the blood and the cerebrospinal fluid
  9. 16. A neuron that is completely contained within the central nervous system
  10. 18. Portion of the brain that coordinates the execution of movement
  11. 19. Brain portion between brain stem and cerebrum, consisting of thalamus and hypothalamus
  12. 20. Macrophages in the CNS
  13. 23. Awareness of body position in space and of the relative location of body parts to each other
  14. 26. The minimum stimulus required to set a reflex response in motion
  15. 27. Catecholamine neurohormone secreted by the adrenal medulla
Down
  1. 1. Nerve cell bodies, dendrites, and axon terminals matter
  2. 3. Neurotransmitter used by neurons of the central and peripheral nervous system
  3. 4. Portion of the brain that serves as a relay station for information going to and from higher brain centers
  4. 5. A decreased response to a stimulus that is repeated over and over
  5. 6. Nonexcitable support cells of the central nervous system
  6. 12. Sharp,rapidly transmitted pain
  7. 14. Conversion of a signal from one modality to another
  8. 17. A sensory receptor associated with pain
  9. 21. Central nervous system tissue matter composed primarily of myelinated axons
  10. 22. Thin, branched processes that receive and transfer incoming information to an integrating region within the neuron
  11. 24. Region of the cerebrum that acts as the link between higher cognitive functions and more primitive emotional responses
  12. 25. The region of most acute vision and the point on which light is focused when you look at an object