Coloured X-ray of a human knee joint
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Coloured X-ray of a human knee joint
Knee joint. Coloured X-ray of a healthy human knee joint. 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. Next to the tibia (at lower right) is the smaller fibula bone. The patella or kneecap (above centre, faint blue oval) is a protective bone at the front of the knee held in position by muscles and tendons. Two discs of protective cartilage cover the surfaces of the femur and tibia to reduce friction between these bones. This joint, the largest in the body, allows a backward-forward hinge movement with slight rotation
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6419970
© MEHAU KULYK/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 healthy human knee joint, revealing the intricate anatomy and functionality of this crucial body part. At first glance, it becomes evident that two bones converge at the knee to form a remarkable hinge-like joint. The larger femur, also known as the thigh-bone, sits atop and artfully connects with the tibia or shin-bone at the bottom. Adjacent to the tibia lies its smaller companion, the fibula bone. A faint blue oval shape positioned above center steals our attention - this is none other than the patella or kneecap. Serving as a protective shield for the front of our knee, it remains securely in place thanks to surrounding muscles and tendons. To ensure smooth movement between these bones, two discs composed of protective cartilage cover their surfaces. This ingenious design reduces friction and enables seamless motion within this largest joint in our entire body. The knee joint's unique construction allows for an impressive backward-forward hinge movement with slight rotation capabilities. Its significance cannot be overstated; every step we take relies on its strength and flexibility. Through this mesmerizing image captured by Science Photo Library, we gain profound insight into our own skeletal structure while appreciating both its complexity and elegance simultaneously.
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