Chap 9a ppts - Skeletal muscle structure striated long multinucleate cells extend from tendon to tendon formed by fusion of myoblasts innervated by

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1 Skeletal muscle structure fig 9-1a striated long multinucleate cells extend from tendon to tendon formed by fusion of myoblasts innervated by somatic nervous system one neuromuscular junction per fiber cardiac & smooth muscle later
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2 Skeletal muscle structure fig 9-2
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3 Skeletal muscle structure fig 9-2
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4 Skeletal muscle structure fig 9-3 Don’t bother with: I band, A band, H zone, M line
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5 Skeletal muscle structure fig 9-4 6 thin filaments around each thick 3 thick filaments around each thin
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6 Neuromuscular junction fig 9-14a
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7 Neuromuscular junction fig 9-14b
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8 Generation of motor end plate potential fig 9-15
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9 Generation of motor end plate potential (notes) action potential in somatic motor neuron depolarization of axon terminal, opening of voltage gated Ca ++ channels Ca ++ AcCh released into synaptic cleft AcCh binds to non-specific ligand gated cation channels in motor end plate opening of channels; Na + influx greater than K
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This note was uploaded on 03/26/2012 for the course PHSL 310 taught by Professor Ferraro during the Fall '11 term at SIU Carbondale.

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Chap 9a ppts - Skeletal muscle structure striated long multinucleate cells extend from tendon to tendon formed by fusion of myoblasts innervated by

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