Posterior cruciate ligament
Posterior Cruciate Ligament
The Posterior Cruciate Ligament (PCL) is one of the four main ligaments of the knee that connects the thighbone (femur) to the shinbone (tibia). The PCL is located at the back of the knee and is responsible for preventing the tibia from moving backwards too far.
Pronunciation
Posterior Cruciate Ligament: /pɒˈstɪərɪər kruːˈsiːeɪt ˈlɪɡəmənt/
Etymology
The term "Posterior Cruciate Ligament" is derived from Latin. "Posterior" means "back", "Cruciate" means "cross" and "Ligament" means "band". This is because the PCL is located at the back of the knee and it crosses with the Anterior Cruciate Ligament (ACL) to form an "X".
Related Terms
- Anterior Cruciate Ligament (ACL): The ligament, located in the knee, that crosses with the PCL.
- Ligament: A short band of tough, flexible, fibrous connective tissue that connects two bones or cartilages or holds together a joint.
- Knee: The joint between the thigh and the lower leg in humans.
- Thighbone (Femur): The bone of the thigh or upper hind limb, articulating at the hip and the knee.
- Shinbone (Tibia): The inner and typically larger of the two bones between the knee and the ankle (or the equivalent joints in other terrestrial animals), parallel with the fibula.
External links
- Medical encyclopedia article on Posterior cruciate ligament
- Wikipedia's article - Posterior cruciate ligament
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