Muscle Pt. 1

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Across
  1. 3. fatigue prone muscle type
  2. 5. organelle responsible for Calcium flow of muscle cells
  3. 6. thin contractile myofilament
  4. 9. embryologic origin of muscle ells
  5. 10. deep invagination of sarcolemma
  6. 12. repeating units consisting of myosin and actin
  7. 14. Skeletal muscle cell composed of myofibrils
  8. 16. protein disc where actin anchors
  9. 19. fast-contracting, fast fatigue, glycolytic muscle
  10. 22. light zone composed of actin filaments
  11. 23. twitch associated with aerobic muscle metabolism
  12. 24. thin regulatory myofilament
  13. 26. connective tissue layer wrapping a fascicle
  14. 27. cylindrical bundles of contractile proteins
Down
  1. 1. stem cells that function in muscle repair
  2. 2. fatigue resistant muscle type
  3. 4. contractile/functional unit of myocyte
  4. 7. Skeletal muscles contract _____________
  5. 8. twitch associated with anaerobic muscle metabolism
  6. 10. mixed oxidative-glcolytic; slow fatigue muscle
  7. 11. dark zone created by actin and myosin overlap
  8. 12. protein within muscle that helps to transfer oxygen
  9. 13. muscle type with multiple, peripherally located nuclei
  10. 15. connective tissue layer surrounding a group of fascicles
  11. 17. plasma membrane of the muscle cell
  12. 18. cytoplasm of muscle cells
  13. 20. reticular fiber layer surrounding individual myocytes
  14. 21. thick contractile myofilament
  15. 25. thin calcium binding myofilament