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13 Cards in this Set
- Front
- Back
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1 |
Action potential starts in CNS |
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2 |
Action potential in axon causes release of ACH at neuromuscular junction |
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3 |
ACH binds to receptor at postsynaptic membrane |
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4 |
Ion gates at muscular cell membrane allows calcium in and potassium out. |
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5 |
Initiation of action potential at CNS |
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6 |
Action potential propagated from surface into the muscle fiber along the transverse tubules |
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7 |
Release of calcium from lateral sac of SR |
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8 |
calcium binds to troponin on actin filament |
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9 |
tropomyosin is moved exposing binding site on actin filament |
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10 |
myosin heads binds on active site of actin filament |
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11 |
binding causes release of energy stored in myosin, producing angular movement at the cross bridge |
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12 |
ATPO binds to myosin breaking the linkage causing disassiation of the cross-bridge |
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13 |
ATP bound to myosin splits, transferring energy and readying it for another cycle. |
