Heart valves and strings, SEM
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Heart valves and strings, SEM
Heart valves and strings, coloured scanning electron micrograph (SEM). This dissection shows both the mitral valve (centre) and the aortic valve (upper centre). The mitral valve lies between the left ventricle of the heart (bottom) and the left atrium (not seen). The aortic valve (upper centre) is where the blood passes from the left ventricle into the aorta (top right). Also seen here are the heart strings (chordae tendineae, thread-like), the papilliary muscles (thick bands at lower right and left), and the trabeculae carneae (columnar structures on the inner wall of the ventricle)
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6312969
© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY
Aorta Aortic Valve Arterial Blood Circulation Cardiac Cardio Vascular Cardiology Chorda Tendinea Chordae Tendineae Colored Coronary Dissected Dissection Endocardium Heart String Heart Strings Heart Valve Inside Interior Internal Internal Surface Left Ventricle Lining Mitral Valve Myocardium Tissue Trabecula Carnea Trabeculae Carneae Vascular Ventricle Artery Circulatory System Section Sectioned
EDITORS COMMENTS
This print from Science Photo Library showcases the intricate beauty of the human heart's internal structure. With vibrant colors and incredible detail, it offers a glimpse into the complex world of cardiac anatomy. At its center, we see the mitral valve, positioned between the left ventricle and an unseen left atrium. This valve ensures that blood flows in one direction as it moves through the heart. Just above it lies the aortic valve, where blood is pumped out of the left ventricle and into the aorta. The image also reveals other fascinating components within this vital organ. Delicate thread-like structures known as chordae tendineae or "heart strings" are visible, connecting to thick bands called papillary muscles. These muscles play a crucial role in maintaining proper tension on these strings to prevent backflow of blood. Furthermore, columnar structures called trabeculae carneae can be observed along the inner wall of the ventricle. These unique formations contribute to efficient contraction and help maintain healthy blood circulation throughout our bodies. Overall, this SEM photograph provides us with an awe-inspiring view of our own internal biology – reminding us just how intricately designed our bodies truly are.
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