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Cardiac Excitation-Contraction Coupling

A description of the relationship between the excitation of a cardiac muscle cell via an action potential, and that cell’s contraction via actin-myosin cross-bridge cycling.

Contents:
0:00 Introduction and Learning Objectives
0:41 Excitation
3:10 Contraction
6:24 The coupling
9:31 Summary

Video incorporated image of T-tubule: 1023_T-tubule.jpg by OpenStax Anatomy and Physiology, provided under CC BY 4.0, downloaded from Wikimedia Commons Oct 2021.

#cardiovascular #physiology #medicalschool

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