Across
- 3. bundle of muscle cells surrounded by perimysium
- 6. point of contact between a motor neuron and a skeletal muscle cell (abbr.)
- 8. a motor neuron and all of the muscle fibers it innervates
- 9. muscle cell membrane
- 12. skeletal muscle is mainly comprised of _____.
- 15. name of enzyme that rapidly decomposes ACH
- 17. when the release of ACH from a neuron increases permeability to Na+ and raises membrane potential (abbr.)
- 18. the idea that the greater amount of work performed by the muscle, the greater amount of ATP that is cleaved is called the ____ effect.
- 19. defined as where the t-tubule and two terminal cisternae meet
- 20. slow and cardiac muscle have this many binding sites for Ca2+ on TnC
Down
- 1. main protein in the light filament
- 2. this quality is reflected in the I band; when light is equally scattered through
- 4. the basic contractile unit
- 5. the "G" in G-actin stands fir
- 7. capacity of skeletal muscle for adaptive change
- 10. highest resolution viewing type for muscle typing
- 11. protein attached near the end of the tropomyosin molecule
- 13. the troponin protein has this many subunits
- 14. name of the neurotransmitter involved in muscle excitation
- 16. large protein complex that is the release channel of the SR