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Physiology Exam #3 Neuromuscular Junction - Flashcards

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Class:BIOL 2150 - PRINCIPLES OF PHYSIOLOGY
Subject:Biology
University:The Richard Stockton College of New Jersey
Term:Fall 2012
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      Mode:   CARDS LIST       ? pages   PRINT EXIT
Step #1 Terminal button: end of axon
Step Two muscle: motor end plate (MEP)
Step Three NO contact (space--->synaptic cleft)
Step Four Electrical (AP) --> chemical (neurotransmitter) -->electrical (MEP depolarize)
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Step Five Ca++  goes in at terminal button
Step six ACh from vesicles
Step Seven Nicotinic MEP receptor goes to smooth muscle  
Step Eight Post synpatic - Nat+ open
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Step Nine Depolarization -end plate potent (EPP) --> usually will produce an AP
Step Ten Resting membrane potential: -90mV

MUSCLES DON'T HYPERPOLARIZE
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 Step #1Terminal button: end of axon
 Step Twomuscle: motor end plate (MEP)
 Step ThreeNO contact (space--->synaptic cleft)
 Step FourElectrical (AP) --> chemical (neurotransmitter) -->electrical (MEP depolarize)
 Step FiveCa++  goes in at terminal button
 Step sixACh from vesicles
 Step SevenNicotinic MEP receptor goes to smooth muscle  
 Step EightPost synpatic - Nat+ open
 Step NineDepolarization -end plate potent (EPP) --> usually will produce an AP
 Step TenResting membrane potential: -90mV

MUSCLES DON'T HYPERPOLARIZE
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