Muscle

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Across
  1. 2. Intracellular calcium store (12,9)
  2. 4. Main component of thick filaments
  3. 5. Blocks binding sites on thin filaments
  4. 7. Non-contractile filament in smooth muscle
  5. 9. Binds calcium in smooth muscle
  6. 11. Type of muscle with long, multinucleate, striated cells
  7. 13. Connective tissue sheath surrounding bundle of muscle cells
  8. 16. Bundle of skeletal muscle cells
  9. 18. Rod like structures containing contractile filaments
  10. 19. Type of muscle with spindle shaped cells
  11. 20. Ion responsible for triggering neurotransmitter release from motor neuron terminal
  12. 21. Muscle shortens during contraction
  13. 22. Influx of this ion creates action potential in skeletal muscle
  14. 23. Muscle length changes during this type of contraction
Down
  1. 1. Another name for muscle cell plasma membrane
  2. 3. Muscle develops tension but no change in length
  3. 5. Calcium binding protein in skeletal muscle
  4. 6. Other name for skeletal muscle cell
  5. 8. Connective tissue sheath surrounding entire muscle
  6. 10. Receptor at motor end plate
  7. 12. Main component of thin filaments
  8. 14. Depolarisation at motor end plate (3,5,9)
  9. 15. Type of muscle with short, branched cells
  10. 17. Neurotransmitter releases from motor neuron
  11. 22. Functional unit in skeletal muscle