Lec 22 Muscle contraction notes - University of California...
Transcript of Lec 22 Muscle contraction notes - University of California...
![Page 1: Lec 22 Muscle contraction notes - University of California ...sites.uci.edu/bio932014/files/2014/12/Muscle-contraction-notes.pdfThe Synapse (Anatomy) Label from image in Chapter 48.](https://reader033.fdocuments.in/reader033/viewer/2022041605/5e33f1fe16a60e568a0f69fe/html5/thumbnails/1.jpg)
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Muscle Contraction
The Synapse (Anatomy)
Label from image in Chapter 48
![Page 2: Lec 22 Muscle contraction notes - University of California ...sites.uci.edu/bio932014/files/2014/12/Muscle-contraction-notes.pdfThe Synapse (Anatomy) Label from image in Chapter 48.](https://reader033.fdocuments.in/reader033/viewer/2022041605/5e33f1fe16a60e568a0f69fe/html5/thumbnails/2.jpg)
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Synaptic Transmission
Synaptic Transmission
![Page 3: Lec 22 Muscle contraction notes - University of California ...sites.uci.edu/bio932014/files/2014/12/Muscle-contraction-notes.pdfThe Synapse (Anatomy) Label from image in Chapter 48.](https://reader033.fdocuments.in/reader033/viewer/2022041605/5e33f1fe16a60e568a0f69fe/html5/thumbnails/3.jpg)
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Excitatory Post-Synaptic Potentials
(ex: glutamate opens Na+ channel)
Inhibitory Post-Synaptic Potentials
(ex: GABA opens Cl- channel)
![Page 4: Lec 22 Muscle contraction notes - University of California ...sites.uci.edu/bio932014/files/2014/12/Muscle-contraction-notes.pdfThe Synapse (Anatomy) Label from image in Chapter 48.](https://reader033.fdocuments.in/reader033/viewer/2022041605/5e33f1fe16a60e568a0f69fe/html5/thumbnails/4.jpg)
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Muscle Anatomy
Muscle Anatomy
![Page 5: Lec 22 Muscle contraction notes - University of California ...sites.uci.edu/bio932014/files/2014/12/Muscle-contraction-notes.pdfThe Synapse (Anatomy) Label from image in Chapter 48.](https://reader033.fdocuments.in/reader033/viewer/2022041605/5e33f1fe16a60e568a0f69fe/html5/thumbnails/5.jpg)
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Sliding Filament Theory
Sarcomere Contraction
![Page 6: Lec 22 Muscle contraction notes - University of California ...sites.uci.edu/bio932014/files/2014/12/Muscle-contraction-notes.pdfThe Synapse (Anatomy) Label from image in Chapter 48.](https://reader033.fdocuments.in/reader033/viewer/2022041605/5e33f1fe16a60e568a0f69fe/html5/thumbnails/6.jpg)
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Importance of Calcium
Regulation of muscle contraction
![Page 7: Lec 22 Muscle contraction notes - University of California ...sites.uci.edu/bio932014/files/2014/12/Muscle-contraction-notes.pdfThe Synapse (Anatomy) Label from image in Chapter 48.](https://reader033.fdocuments.in/reader033/viewer/2022041605/5e33f1fe16a60e568a0f69fe/html5/thumbnails/7.jpg)
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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