Nervous System and Special Senses

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Across
  1. 5. sense of hearing
  2. 7. sense of smell
  3. 10. sensory receptor specialized for temperature stimuli
  4. 11. colored portion of the anterior eye that surrounds the pupil
  5. 13. tympanic membrane
  6. 15. special sense of sight based on transduction of light stimuli
  7. 17. ______________ nervous system is a functional division of the nervous system that is concerned with conscious perception, voluntary movement, and skeletal muscle reflexes
  8. 18. the portion of the inner ear responsible for the sense of equilibrium
  9. 20. ___________ nervous system is the functional division of the nervous system that is responsible for homeostatic reflexes that coordinate control of cardiac and smooth muscle, as well as glandular tissue
  10. 24. nervous tissue of the eye at which phototransduction takes place
  11. 25. exact center of the retina at which visual stimuli are focused for maximal acuity, where the retina is thinnest, at which there is nothing but photoreceptors
  12. 28. (also, stirrup) bone of the middle ear that is attached to the inner ear
  13. 30. white of the eye
  14. 31. enlargement at the base of a semicircular canal at which transduction of equilibrium stimuli takes place within the ampulla
  15. 33. name for the three small bones in the middle ear
  16. 37. distorted vision at all distances
  17. 40. _________ nervous system is the neural tissue associated with the digestive system that is responsible for nervous control through autonomic connections
  18. 41. bump-like projections on the surface of the tongue that contains taste buds
  19. 42. chemical signal that is released from the synaptic end bulb of a neuron to cause change in the target cell
  20. 44. neural tissue cell that is primarily responsible for generating and propagating electrical signals into, within, and out of the nervous system
  21. 46. sense of balance that includes sensations of position and movement of the head
  22. 48. localized collection of neuron cell bodies in the peripheral nervous system
  23. 51. physiological barrier between the circulatory system and the central nervous system that establishes a privileged blood supply, restricting the flow of substances into the CNS
  24. 52. ______________ nervous system is the anatomical division of the nervous system located within the cranial and vertebral cavities, namely the brain and spinal cord
Down
  1. 1. internal perception of the daily cycle of light and dark based on retinal activity related to sunlight
  2. 2. sense of taste
  3. 3. kind of photoreceptor that is specialized for color vision
  4. 4. a kind of photoreceptor that is specialized for low-light vision
  5. 6. region of the central nervous system that acts as a relay for sensory pathways
  6. 8. loss of the olfactory nerve, and subsequently, loss of the sense of smell
  7. 9. fibrous covering of the anterior region of the eye that is transparent so that light can pass through it
  8. 12. structures within the inner ear responsible for transducing rotational movement information
  9. 14. inability to detect any tastes.
  10. 16. general sense associated with modalities lumped together as touch
  11. 19. structure of the inner ear responsible for transducing linear acceleration in the horizontal plane
  12. 21. individual “packet” of light
  13. 22. farsightedness
  14. 23. auditory portion of the inner ear containing structures to transduce sound stimuli
  15. 26. (also, anvil) bone of the middle ear that connects the malleus to the stapes
  16. 27. structure of the inner ear responsible for transducing linear acceleration in the vertical plane
  17. 29. _____________ nervous system is an anatomical division of the nervous system that is largely outside the cranial and vertebral cavities, namely all parts except the brain and spinal cord
  18. 32. fleshy external structure of the ear
  19. 34. the circulatory medium within the CNS that is produced by ependymal cells in the choroid plexus filtering the blood
  20. 35. narrow junction across which a chemical signal passes from neuron to the next, initiating a new electrical signal in the target cell
  21. 36. cord-like bundle of axons located in the peripheral nervous system that transmits sensory input and response output to and from the central nervous system
  22. 38. single process of the neuron that carries an electrical signal (action potential) away from the cell body toward a target cell
  23. 39. open hole at the center of the iris that light passes through into the eye
  24. 43. receptor cell that senses pain stimuli
  25. 45. component of the eye that focuses light on the retina
  26. 47. (also, hammer) bone that is directly attached to the tympanic membrane
  27. 49. nearsightedness
  28. 50. one of many branchlike processes that extends from the neuron cell body and functions as a contact for incoming signals (synapses) from other neurons or sensory cells