A , more commonly known as a ball-and-socket joint , is a type of synovial joint where the spherical surface of one bone (the "ball") fits into a cup-like depression (the "socket") of another. This anatomical structure allows for the greatest range of movement of any joint type in the body. Overview of Ball-and-Socket (Spheroid) Joints
: The most prominent examples in the human body are the hip joint (acetabulofemoral) and the shoulder joint (glenohumeral).
: The Radiopaedia guide to ball and socket joints offers a concise medical reference on structure and motion limits.
: A specialized type of spheroidal joint where the socket deepens and covers the "ball" beyond its equator, providing extra stability, as seen in the hip. Spheroids in Modern Joint Research
: The Brookbush Institute's entry on ball-and-socket joints provides a clear definition and functional overview.
Beyond basic anatomy, the term "spheroid" is frequently used in biomedical engineering to describe 3D cell aggregates used to study and treat joint diseases like osteoarthritis.
: For those interested in joint therapy, the PMC article on 3D Spheroid Cultures explores advanced applications in cartilage regeneration and stem cell therapy.
: Products like Spherox utilize autologous chondrocyte spheroids for clinical implantation to treat cartilage defects. Recommended Detailed Articles