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False-colour TEM of striated cardiac muscle
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False-colour TEM of striated cardiac muscle
False-colour transmission electron micrograph of a longitudinal section through striated cardiac muscle. Cardiac muscle, unlike skeletal muscle, is composed of seperate cellular elements. The meandering, thick blue line marks the boundary between two muscle cells and is known as a fascia adherens. Each cell is composed of a number of myofibrils (pink), surrounded by sarcoplasm (yellow). The myofibrils are, in turn, composed of contractile proteins arranged in thin threads called myofilaments (visible here as fine, pink, vertical stripes). The presence of two different types of protein causes the pink & blue horizontal banding. Mag: x11, 000 at 6x7cm, x5500 at 35mm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6420294
© CNRI/SCIENCE PHOTO LIBRARY
Cardiac Muscle Heart Muscle Muscles Striated Muscle False Coloured
EDITORS COMMENTS
This print showcases the intricate beauty of striated cardiac muscle, captured through a false-colour transmission electron micrograph. Unlike skeletal muscle, cardiac muscle is made up of separate cellular elements, which can be seen in this image. The meandering thick blue line represents the fascia adherens, marking the boundary between two muscle cells. Each individual cell consists of numerous myofibrils depicted in pink and surrounded by sarcoplasm in yellow. These myofibrils are composed of contractile proteins arranged as thin threads called myofilaments, visible here as fine vertical stripes. The presence of two different types of protein creates the mesmerizing pink and blue horizontal banding that adds to the visual allure. With a magnification level of x11,000 at 6x7cm size and x5500 at 35mm size, this photograph allows us to appreciate the complexity and organization within our own bodies on a microscopic scale. It highlights both the delicate structure and immense power inherent in cardiac muscles responsible for pumping blood throughout our entire body. This stunning image serves as a reminder of how science can reveal hidden wonders within our anatomy while emphasizing the importance and beauty found within even the smallest components that make up our human form - an awe-inspiring testament to nature's design.
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