Labrum
Labrum
Labrum (/ˈleɪbrəm/; from Latin, meaning 'lip') is a term used in various fields of medicine to describe a type of cartilage found in certain joints of the body.
Anatomy
In human anatomy, the labrum is a ring of fibrocartilage (rubbery tissue) attached to the rim of the shoulder socket that helps keep the ball of the joint in place. In the hip joint, the labrum is a ring of soft elastic tissue, fibrocartilage, that follows the outside rim of the socket of your hip joint.
Function
The labrum serves many functions. It deepens the socket to provide stability to the joint, cushions the joint, and provides a suction seal to the hip joint.
Related Terms
- Acetabular labrum: The ring of cartilage that surrounds the socket of the hip joint.
- Glenoid labrum: The ring of cartilage that surrounds the socket of the shoulder joint.
- Labral tear: An injury to the labrum, often caused by trauma or overuse in sports.
- Hip arthroscopy: A surgical procedure used to diagnose and treat problems in the hip joint, including labral tears.
- Shoulder arthroscopy: A surgical procedure used to diagnose and treat problems in the shoulder joint, including labral tears.
Etymology
The term "labrum" comes from the Latin word for "lip". This is likely due to the lip-like structure of the labrum in the joints where it is found.
External links
- Medical encyclopedia article on Labrum
- Wikipedia's article - Labrum
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