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Alle Oberthemen / Biology / Muscle Tissue / Muscle Tissue
18
Summary of Skeletal Muscle Contraction (Steps 1-5)
1.  AP travels along axon to NMJ
2.  Ca2+ channels open, Ca2+ enters presynaptic terminal
3.  Ach released from synaptic vesicles in presynaptic terminal
4.  Ach diffuses across synaptic cleft, binds to receptor sites on Na+ channels in muscle postsynaptic membrane, Na+ channels open
5.  Na+ diffuse into muscle cell initiating AP which travels along sarcolemma and T tubules
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Autor: Rozen
Oberthema: Biology
Thema: Muscle Tissue
Veröffentlicht: 09.05.2010

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