| 释义 |
posterior cruciate ligament
noun[ C ]
anatomy specializeduk /pɒsˌtɪə.ri.ə ˌkruː.ʃi.ət ˈlɪɡ.ə.mənt/ us /pɑːˌstɪr.i.ɚ ˌkruː.ʃi.eɪt ˈlɪɡ.ə.mənt/(abbreviationPCL)
a piece of tissue inside the knee joint that helps keeps it firmly fixed, and connects the femur(= upper leg bone) to the tibia(= lower leg bone), helping to prevent the tibia from moving too far backwards:
The anterior and posterior cruciate ligaments are intraarticular ligaments, and contribute to the stability of the knee.
An injury to the posterior cruciate ligament in sports is uncommon, but can be devastating.
The posterior cruciate ligament, or PCL, is not injured as frequently as the ACL.
The posterior cruciate ligament can be torn by hyperextension of the knee joint.
In the healthy knee, the posterior cruciate ligament acts as an anterior constraint for movement of the femur on the tibia, providing the knee joint with posterior stability.
SMART Vocabulary: related words and phrases
Substances & structures in the body
abductor
accessorius
ACL
actin
adductor
fundus
funiculus
fusiform
glomerular
glomerulus
myosin
navicular
neuroendocrine
neurohormonal
neurohormone
tendinous
tendinum
tendo
tensor
Th
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anterior cruciate ligament
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