Cardiac Muscle
by Thomas Deerinck, Ncmir
Title
Cardiac Muscle
Artist
Thomas Deerinck, Ncmir
Medium
Photograph - Photograph
Description
Cardiac muscle. Coloured transmission electron micrograph (TEM) of cardiac muscle fibrils (pink and blue)from a healthy heart. �Mitochondria (orange) supply the muscle cells with energy. The muscle fibrils, or myofibrils, are crossed by transverse tubules (dark blue lines). These tubules mark the division of the myofibrilsinto contractile units (sarcomeres). Cardiac muscle is under subconscious control and continuously contracts to pump blood around the body without tiring. Magnification: 3900x when printed 10 centimetres across.
Uploaded
October 7th, 2018
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