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  2. Meniscus (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Meniscus_(anatomy)

    A meniscus (pl.: menisci or meniscuses) is a crescent-shaped fibrocartilaginous anatomical structure that, in contrast to an articular disc, only partly divides a joint cavity. [1] In humans, they are present in the knee, wrist, acromioclavicular, sternoclavicular, and temporomandibular joints; [2] in other animals they may be present in other ...

  3. Acromioclavicular joint - Wikipedia

    en.wikipedia.org/wiki/Acromioclavicular_joint

    The articular surfaces were notably different in size and form. On some, they are separated by a meniscus attached to the superior acromioclavicular ligament. This meniscus may be a blade of fibrocartilage that extends nearly halfway into the joint or it may form a complete disc that divides the joint into two parts.

  4. Articular disc - Wikipedia

    en.wikipedia.org/wiki/Articular_disc

    The presence of an articular disk also permits a more even distribution of forces between the articulating surfaces of bones, increases the stability of the joint, and aids in directing the flow of synovial fluid to areas of the articular cartilage that experience the most friction. The term "meniscus" has a very similar meaning. [1]

  5. Microfracture surgery - Wikipedia

    en.wikipedia.org/wiki/Microfracture_surgery

    The procedure is less effective in treating older patients, overweight patients, or a cartilage lesion larger than 2.5 cm. [11] Further on, chances are high that after only 1 or 2 years of the surgery symptoms start to return as the fibrocartilage wears away, forcing the patient to reengage in articular cartilage repair.

  6. Pisiform bone - Wikipedia

    en.wikipedia.org/wiki/Pisiform_bone

    The pisiform bone is a small bone found in the proximal row of the wrist . It is situated where the ulna joins the wrist, within the tendon of the flexor carpi ulnaris muscle. [1]: 199, 205 It only has one side that acts as a joint, articulating with the triquetral bone. It is on a plane anterior to the other carpal bones and is spheroidal in form.

  7. Triquetral bone - Wikipedia

    en.wikipedia.org/wiki/Triquetral_bone

    The triquetral bone (/ t r aɪ ˈ k w ɛ t r əl,-ˈ k w iː-/; also called triquetrum, pyramidal, three-faced, and formerly cuneiform bone) is located in the wrist on the medial side of the proximal row of the carpus between the lunate and pisiform bones. It is on the ulnar side of the hand, but does not directly articulate with the ulna.

  8. Lateral meniscus - Wikipedia

    en.wikipedia.org/wiki/Lateral_meniscus

    The lateral meniscus (external semilunar fibrocartilage) is a fibrocartilaginous band that spans the lateral side of the interior of the knee joint. It is one of two menisci of the knee, the other being the medial meniscus. It is nearly circular and covers a larger portion of the articular surface than the medial.

  9. Baker's cyst - Wikipedia

    en.wikipedia.org/wiki/Baker's_cyst

    In adults, Baker's cysts usually arise from almost any form of knee arthritis (e.g., rheumatoid arthritis) or cartilage (particularly a meniscus) tear. Baker's cysts in children do not point to underlying joint disease. Baker's cysts arise between the tendons of the medial head of the gastrocnemius and the semimembranosus muscles.