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Cardiac muscle, TEM

Cardiac muscle, TEM

P154/0266

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Credit

THOMAS DEERINCK, NCMIR / SCIENCE PHOTO LIBRARY THOMAS DEERINCK, NCMIR / SCIENCE PHOTO LIBRARY

Caption

Cardiac muscle. Coloured transmission electron micrograph (TEM) of cardiac muscle fibrils (green) from a healthy heart. Mitochondria (red) supply the muscle cells with energy. The muscle fibrils, or myofibrils, are crossed by transverse tubules (dark green lines). These tubules mark the division of the myofibrils into contractile units (sarcomeres). Cardiac muscle is under subconscious control and continuously contracts to pump blood around the body without tiring. Magnification: 3000x when printed 10 centimetres across.

Release details

Model release not required. Property release not required.

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