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10 terms

events of muscle contraction ORDER

STUDY
PLAY
first event
action potential arrives at axon terminal
2nd event
calcium ions enter axon terminal
3rd event
synaptic vesicles fuse to membrane of axon terminal
4th event
acetylcholine is released into synaptic cleft
5th event
acetylcholine binds to receptor sites
6th event
motor end plate is depolarized
7th event
action potential is intiiated on sarcolemma
8th event
action potential multiplies along sarcolemma and down T tubules
9th event
calcium ions released from terminal cisternae
10th event
muscle cell contracts