nid: 59271
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Cardiac Muscle. (a) Cardiac muscle cells have myofibrils composed of myofilaments arranged in sarcomeres, T tubules to transmit the impulse from the sarcolemma to the interior of the cell, numerous mitochondria for energy, and intercalated discs that are found at the junction of different cardiac muscle cells. (b) A photomicrograph of cardiac muscle cells shows the nuclei and intercalated discs. (c) An intercalated disc connects cardiac muscle cells and consists of desmosomes and gap junctions. LM × 1600. (Micrograph provided by the Regents of the University of Michigan Medical School © 2012). English labels. From OpenStax book 'Anatomy and Physiology', fig. 19.17.
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Uploaded by: Jorn IJkhout
Netherlands, Leiden – Leiden University Medical Center, Leiden University
Cor
Myocardium
Creator(s)/credit: OpenStax; Regents of U-M Medical School, UMich MedSchool
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"OpenStax AnatPhys fig.19.17 - Cardiac Muscle - English labels" at AnatomyTOOL.org by OpenStax and Regents of U-M Medical School, UMich MedSchool, license: Creative Commons Attribution. Source: book 'Anatomy and Physiology', https://openstax.org/details/books/anatomy-and-physiology.
"OpenStax AnatPhys fig.19.17 - Cardiac Muscle - English labels" by OpenStax and Regents of U-M Medical School, UMich MedSchool, license: CC BY. Source: book 'Anatomy and Physiology', https://openstax.org/details/books/anatomy-and-physiology.
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