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Muscle fibre structure, artwork

Muscle fibre structure, artwork

C015/1894

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Credit

HENNING DALHOFF / SCIENCE PHOTO LIBRARY HENNING DALHOFF / SCIENCE PHOTO LIBRARY

Caption

Muscle fibre. Computer artwork showing the structure of a muscle cell, also known as a muscle fibre. The cell is surrounded by a plasma membrane called the sarcolemma (cream). Within the cell are myofibrils, bundles of actin and myosin fibres (pink) surrounded by a sarcoplasmic reticulum (yellow). The sarcoplasmic reticulum holds a reserve of calcium ions, which are needed for contraction. Mitochondria (blue) within the myofibrils provide the energy needed for contraction.

Release details

Model release not required. Property release not required.

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