Structure and role of motor units

  • Created by: cara12
  • Created on: 15-04-19 11:22
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  • Structure and role of motor units
    • Myelin sheath-acts as an electrical insulator around the axons
    • Axons-are extensions of a nerve cell that carry an impulse
    • Myofibril-are contractile structures of the muscle consisting of actin and myosin
    • Sarcolemma-Is the cell membrane
    • Synaptic vesicle-Is where acetylcholine is stored
    • Synaptic cleft-Is the gap between neurons
    • Motor end plate-Is where the action potential from an action travels to stimulate a muscle

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