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Muscle Contraction
The Synapse (Anatomy)
Label from image in Chapter 48
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Synaptic Transmission
Synaptic Transmission
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Excitatory Post-Synaptic Potentials
(ex: glutamate opens Na+ channel)
Inhibitory Post-Synaptic Potentials
(ex: GABA opens Cl- channel)
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Muscle Anatomy
Muscle Anatomy
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Sliding Filament Theory
Sarcomere Contraction
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Importance of Calcium
Regulation of muscle contraction
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Prep for Basics Quiz
Can you do the following?
• Draw and label a synapse
• List the steps of synaptic transmission
• Compare and contrast excitatory and inhibitory
synaptic potentials
• Draw and label a neuromuscular junction
• Explain the steps in the sliding filament model of
muscle contraction
• Describe the steps of a neuromuscular action
potential causing muscle contraction
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