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Xiomara Sanchez, P: 3 Muscular System - Coggle Diagram
Xiomara Sanchez, P: 3 Muscular System
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Neuromuscular junction
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The cytoplasm of the distal end of the motor neuron contains numerous mitochondria and synaptic vesicles storing neurotransmitters
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synaptic vesicles release neurotransmitter into the synaptic
cleft, the gap between the membranes of the neuron and muscle fiber
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Sarcomere
Myofibrils are made up of many units called sarcomeres, joined end-to-end
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I bands (light bands) are made up of actin filaments, which are anchored to the Z lines
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In the center of the A band is the H zone, which consists of myosin filaments only
The M line, in the center of the H zone, consists of proteins that hold the myosin filaments in place
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