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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