IMG - $yrqtr4": ' ::"':1...

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yt8t20tt Regulation of Contraction Regulation of Contraction The f{euromuscular Junction and the Nerve stimulus
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1/18t2011 l{-M junction Motor neurons send axons to skeletal muscles Axon divides as enters muscle Each forms a n-m junction with a muscle fiber (in middle of cell)
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vt8t20tt Axon ending - neuromuscular junction - muscle N-M junction Axon and muscle do not touch, the space Axon ending is flat - Axon ending contains which contain (neurotransmitter) The muscle side is called the : sarcolemma scooped out and also containing
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Ut8t20t1 1B IC 5,d krn,r,,- \ 1- I l&rw trflpril5!2 l**br ffie.tlial
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Unformatted text preview: $yrqtr4": ' ::"':1 " .:. .::::. .r: : .:.-." /- \, ,/ . . / ril lrlargd !1e& r,i lh( itrJrm!*rl.i linilr.ri Ut8t20rr t i*.'; 1;iqii: i ;;i*i}1*)'i"&fi=:= r .'l*"'*:.;- +r j ;.:i1&,Yii1:,1::$. Resting Membrane Potential il1812011 tfi The flow of ions across the membrane creates a a a a Due to the opening of the sodium channels Since V : x R; the voltage changes and the RMP is upset The membrane potential decreases The membrane depolarizes, locally at first The muscle cell becomes activated; an action potential is generated rrent:...
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IMG - $yrqtr4": ' ::"':1...

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