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  2. Sacroiliac joint dysfunction - Wikipedia

    en.wikipedia.org/wiki/Sacroiliac_joint_dysfunction

    In the early 1900s, dysfunction of the sacroiliac joint was a common diagnosis associated with low back and sciatic nerve pain. [18] However, research by Danforth and Wilson in 1925 concluded that the sacroiliac joint could not cause sciatic nerve pain because the joint does not have a canal in which the nerves can be entrapped against the ...

  3. Sacroiliac joint - Wikipedia

    en.wikipedia.org/wiki/Sacroiliac_joint

    The sacroiliac joint or SI joint (SIJ) is the joint between the sacrum and the ilium bones of the pelvis, which are connected by strong ligaments. In humans, the sacrum supports the spine and is supported in turn by an ilium on each side. The joint is strong, supporting the entire weight of the upper body.

  4. Injury in animals - Wikipedia

    en.wikipedia.org/wiki/Injury_in_animals

    Injury in animals is damage to the body caused by wounding, change in pressure, heat or cold, chemical substances, venoms and biotoxins. Injury prompts an inflammatory response in many taxa of animals ; this prompts wound healing , which may be rapid, as in the Cnidaria .

  5. Interosseous sacroiliac ligament - Wikipedia

    en.wikipedia.org/wiki/Interosseous_sacroiliac...

    The major function of the interosseous sacroiliac ligament is to keep the sacrum and ilium together. [2] This prevents abduction or distraction of the sacroiliac joint. [2] It also helps to bear the weight of the thorax, upper limbs, head, and neck. This is performed by the nearly horizontal direction of the fibers running perpendicular from ...

  6. Sacroiliitis - Wikipedia

    en.wikipedia.org/wiki/Sacroiliitis

    Enhancement is seen at the right sacroiliac joint (arrow, left side of image), indicating active sacroiliitis. This patient had psoriatic arthritis. Sacroiliitis is a condition caused by inflammation within the sacroiliac joint. [1] This joint is located where the base of the spine, known as the sacrum, and the pelvis, known as the ilium ...

  7. Hydrostatic skeleton - Wikipedia

    en.wikipedia.org/wiki/Hydrostatic_skeleton

    Healing in these organisms varies from creature to creature. However, if the cavity needs to be refilled, the “fluid” can easily be refilled if it is water or blood. If the fluid is some other type of liquid, it can take longer, but it is still faster than healing a bone. The common earthworm is also able to regrow damaged parts of its body ...

  8. Food web - Wikipedia

    en.wikipedia.org/wiki/Food_web

    A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.

  9. Sacroiliac joint pain - Wikipedia

    en.wikipedia.org/wiki/Sacroiliac_joint_pain

    Sacroiliac joint pain or sacroiliac joint sprain are terms that may refer to: Sacroiliitis, an inflammation of the sacroiliac joint that causes pain;