Coloured X-ray of a human knee joint (side view)

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Coloured X-ray of a human knee joint (side view)

Knee joint. Coloured X-ray of a healthy human knee joint in side view, seen while bent. Two bones meet at the knee, forming a joint that works like a hinge. At top is the large femur (thigh-bone), which articulates with the tibia (shin-bone) at bottom. The patella or kneecap (centre left) is a triangular protective bone at the front of the knee held in position by muscles and tendons. Two discs of protective cartilage (not clearly visible) cover the surfaces of the femur and tibia to reduce friction between these bones. The round bottom surface of the femur forms a narrow ridge that moves through a groove in the tibia. This allows hinge movement, with slight rotation

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

Media ID 6419940

© PASIEKA/SCIENCE PHOTO LIBRARY

Bones Femur Joint Knee Knee Cap Knee Joint Patella Tibia Hinge Joint

EDITORS COMMENTS
This print showcases a coloured X-ray of a human knee joint, providing us with an extraordinary glimpse into the intricate anatomy of this vital body part. From a side view, we witness the remarkable mechanics at play as the knee is bent. At the center left, we observe the triangular kneecap or patella, serving as a protective bone situated at the front of the knee. This crucial structure is held securely in place by muscles and tendons. Above it lies the large femur or thigh-bone, while below it rests the tibia or shin-bone. To minimize friction between these two bones during movement, two discs of protective cartilage cover their surfaces. Although not clearly visible in this image, they play an essential role in maintaining joint health. The round bottom surface of the femur forms a narrow ridge that smoothly glides through a groove present in the tibia. This ingenious design allows for hinge-like movements with slight rotation – enabling us to walk, run and perform various activities effortlessly. Intriguingly complex yet beautifully harmonious, our knees exemplify one of nature's marvels. Through this stunning visual representation captured by Science Photo Library's expertise in scientific imagery, we gain deeper appreciation for our skeletal system's ingenuity and its pivotal role within our bodies.

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