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Heart valve tendons, SEM
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Heart valve tendons, SEM
Heart valve tendons. Coloured scanning electron micrograph (SEM) of the chordae tendineae, tendons which attach the atrioventricular heart valves to their muscles. These valves prevent blood being forced back into the atria (upper heart chambers) from the ventricles (lower heart chambers) during the contraction of the ventricles. The right ventricle (which pumps deoxygenated blood to the lungs) is separated from the right atrium by the tricuspid valve. The left ventricle (which pumps newly-oxygenated blood around the body) is separated from the left atrium by the mitral valve. The valves are controlled by papillary muscles (not seen). Magnification unknown
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6421249
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Cardiac Chordae Tendineae Cord String Strings Tendon Tendons Tissue Valve Valves Cords
EDITORS COMMENTS
This print showcases the intricate beauty of heart valve tendons, as seen through a colored scanning electron microscope (SEM). The chordae tendineae, represented here in stunning detail, are the tendons responsible for attaching the atrioventricular heart valves to their respective muscles. These valves play a crucial role in preventing blood from being forced back into the upper heart chambers during ventricular contractions. The image highlights two specific valves: the tricuspid valve separating the right ventricle from the right atrium and the mitral valve separating the left ventricle from the left atrium. While papillary muscles controlling these valves remain unseen, their importance cannot be understated. Through this SEM capture, we gain insight into both healthy anatomy and cardiac function. The magnification level remains unknown but serves to emphasize just how remarkable these tiny structures are within our bodies. The vibrant colors bring attention to every string-like tendon and cord that forms this complex network within our hearts. It is a testament to nature's design and reminds us of its incredible intricacy at even microscopic levels. This print by Science Photo Library offers an awe-inspiring glimpse into human biology while showcasing both scientific curiosity and artistic appreciation for our own inner workings.
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