Cardiac muscle, TEM

Cardiac muscle, TEM

P154/0269

Rights Managed

Caption

Cardiac muscle. Coloured transmission electron micrograph (TEM) of cardiac muscle fibrils (red and yellow)from a healthy heart. Mitochondria (brown) supply the muscle cells with energy. The muscle fibrils, or myofibrils, are crossed by transverse tubules (dark red 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: 4000x when printed 10 centimetres across.

Release details

Model release not required. Property release not required.

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