KERMOAL / BSIP / SCIENCE PHOTO LIBRARY KERMOAL / BSIP / SCIENCE PHOTO LIBRARY
Shoulder joint anatomy. Artwork of a frontal sectioned view of a human shoulder joint, showing its bones, ligaments, tendons and cartilage. The head of the humerus (upper arm bone, centre) articulates with the acromion (top) and the glenoid fossa (right), both part of the scapula (shoulder blade). The glenoid ligament (purple protrusions) circles the rim of the glenoid fossa. Two tendons (purple) attach to the two heads of the biceps muscle. One of these tendons is enclosed in a synovial membrane (green), also seen in the synovial bursa (green pad, top). The articular capsule and cartilage (brown) encloses the head of the humerus.
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