Nervous System Crossword Puzzle

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Across
  1. 5. – Branched cellular extensions specialized to receive stimuli.
  2. 8. – The functional unit of the nervous system, consisting of soma, dendrites, and axon.
  3. 9. – Aggregates of neuron cell bodies in the peripheral nervous system.
  4. 11. – Ciliated epithelial-like cells lining the brain ventricles and spinal canal.
  5. 13. – Brain region coordinating movement, balance, and posture.
  6. 15. – CNS glial cells responsible for producing myelin sheaths.
  7. 16. Cord – Elongated structure of the CNS conducting motor and sensory signals to and from the brain.
  8. 19. – Star-shaped glial cells important in forming the blood-brain barrier.
Down
  1. 1. – Largest part of the brain, responsible for higher functions like thought and memory.
  2. 2. – Small phagocytic glial cells that act as immune defense in the CNS.
  3. 3. Sheath – Insulating multilayered covering formed by glial cells around certain axons.
  4. 4. – The long cytoplasmic process of a neuron that transmits impulses away from the soma.
  5. 6. – Dense network of dendrites, axons, and glial processes filling spaces between nerve cell bodies.
  6. 7. – The three protective connective tissue coverings around the brain and spinal cord.
  7. 10. – Specialized junction where communication occurs between neurons.
  8. 12. – General term for non-neuronal supporting cells in nervous tissue.
  9. 14. – Chemical messengers released at synapses for neuron-to-neuron communication.
  10. 16. – Small PNS glial cells surrounding neuron cell bodies in ganglia.
  11. 17. – (repeat) Same as clue 1, ventricular lining cells.
  12. 18. – PNS glial cell that forms the myelin sheath around axons.