Muscle fibres

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Muscle fibres

Muscle fibres. Computer-enhanced confocal light micrograph of skeletal (striated) muscle fibres. Skeletal muscle is under the conscious control of the brain. The fibres have dark bands running across them. Each fibre comprises several parallel strands (myofibrils) of the contractile proteins actin and myosin. These are arranged alternately along the length of the fibre, giving it a banded appearance. When the muscle contracts, the actin and myosin filaments slide over one another. Magnification unknown

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6420336

© DAVID BECKER/SCIENCE PHOTO LIBRARY

Actin Banded Banding Confocal Light Micrograph Contractile Fibre Fibres Fluorescence Fluorescent Immunofluorescence Immunofluorescent Muscles Myofibril Myofibrils Myosin Plastic Wrap Skeletal Striated Striation Striations Voluntary Protein

EDITORS COMMENTS
This print showcases the intricate beauty of muscle fibres in the human body. Enhanced through computer technology, this confocal light micrograph reveals skeletal (striated) muscle fibres that are consciously controlled by the brain. The dark bands running across each fibre indicate their unique structure and composition. Comprising multiple parallel strands called myofibrils, these fibres consist of contractile proteins known as actin and myosin. These proteins are arranged alternately along the length of the fibre, giving it a distinct banded appearance. When muscles contract, the actin and myosin filaments slide over one another, enabling movement within our bodies. The magnification used to capture this image remains unknown but highlights the incredible level of detail present in even the smallest components of our anatomy. This mesmerizing visual representation offers a glimpse into how our muscles function on a microscopic level. As we marvel at this photograph's fluorescent hues and immunofluorescent techniques employed to enhance its clarity, we gain a deeper appreciation for both the complexity and elegance inherent in our muscular system. Whether studying anatomy or simply admiring nature's design, this image serves as a testament to the remarkable capabilities of our own bodies.

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