Nervous System

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Across
  1. 2. type of glial cell that forms myelin sheaths in the PNS
  2. 4. membranes that protect the CNS and lay between the CNS and bone
  3. 7. gland that secretes melatonin
  4. 8. photoreceptor protein
  5. 11. germ layer that gives rise to nervous tissue
  6. 13. the part of the neuron that contain most of the organelles, including the nucleus
  7. 15. type of glial cell in the CNS that nourishes and supports neuron function
  8. 16. hormone secreted in response to CRH (corticotropin-releasing hormone)
  9. 18. cation that is responsible for the negative resting membrane potential
  10. 19. type of electric potential that is proportional in strength to the stimulus
  11. 20. summation that occurs when the frequency of EPSPs from a single synapse increases
  12. 22. lobe in the cerebral cortex that recieves auditory information
  13. 25. type of gated channels that open at the nodes of Ranvier
  14. 26. a hormone that stimulates the secretion of other hormones
  15. 28. color of the matter in the CNS that contains myelinated axons
  16. 30. type of electric potential that is initiated by inhibitory neurotransmitters
  17. 31. system that contains the amygdala and hippocampus and regulates emotion and memory
  18. 33. type of cation that enters into neurons when they are depolarized
  19. 35. type of sensory system that uses hair cells
  20. 36. part of the hindbrain that regulates balance
  21. 37. type of neurotransmitter receptor that indirectly opens ion channels
Down
  1. 1. part of the brain that controls basic physiological functions and includes the pons, medulla, and mid-brain
  2. 3. Neuronal extensions that recieve information from other cells
  3. 5. type of hormonal signaling that occurs between cells that are near each other
  4. 6. part of the diencephalon that regulates homeostasis and secretion from the pituitary gland
  5. 9. type of charge that is abundantly found on the inner leaflet of the plasma membrane
  6. 10. hormones made from cholesterol
  7. 12. a bundle of nerves and dendrites in the CNS
  8. 14. when the membrane potential becomes even more negative
  9. 17. Part of the brain that relays most sensory information (except olfaction) from cranial nerves to cerebral cortex
  10. 21. PNS system that controls "rest and digest" functions
  11. 23. spinal root that contains motor neuron axons
  12. 24. type of cell that has an axon and secretes hormones
  13. 27. type of cation that stimulates exocytosis of neurotransmitters at the axon terminal
  14. 29. cerebral cortex lobe responsible for most executive functions, including decision making
  15. 32. type of photoreceptor cell used to see color
  16. 34. types of muscles controlled by the somatic nervous system