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  2. Ilium (bone) - Wikipedia

    en.wikipedia.org/wiki/Ilium_(bone)

    The ilium (/ ˈ ɪ l i ə m /) (pl.: ilia) is the uppermost and largest region of the coxal bone, and appears in most vertebrates including mammals and birds, but not bony fish.All reptiles have an ilium except snakes, although some snake species have a tiny bone which is considered to be an ilium.

  3. Acetabulum - Wikipedia

    en.wikipedia.org/wiki/Acetabulum

    The ilium forms the upper boundary, providing a little less than two-fifths of the structure of the acetabulum. The rest is formed by the pubis , near the midline. It is bounded by a prominent uneven rim, thick and strong on top, which serves as the point of attachment for the acetabular labrum .

  4. Hip bone - Wikipedia

    en.wikipedia.org/wiki/Hip_bone

    The ischium forms the lower and back part of the hip bone and is located below the ilium and behind the pubis. The ischium is the strongest of the three regions that form the hip bone. It is divisible into three portions: the body, the superior ramus, and the inferior ramus. The body forms approximately one-third of the acetabulum.

  5. Iliac crest - Wikipedia

    en.wikipedia.org/wiki/Iliac_crest

    A fracture of the left iliac wing. The iliac crest has a large amount of red bone marrow, and thus it is the site of bone marrow harvests (from both sides) to collect the stem cells used in bone marrow transplantation.

  6. Iliac fossa - Wikipedia

    en.wikipedia.org/wiki/Iliac_fossa

    The iliac fossa is a large, smooth, concave surface on the internal surface of the ilium (part of the three fused bones making the hip bone). Structure [ edit ]

  7. 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.

  8. Wing of ilium - Wikipedia

    en.wikipedia.org/wiki/Wing_of_ilium

    The wing (ala) of ilium is the large expanded portion of the ilium, the bone which bounds the greater pelvis laterally. It presents for examination two surfaces—an external and an internal—a crest, and two borders—an anterior and a posterior.

  9. Flat bone - Wikipedia

    en.wikipedia.org/wiki/Flat_bone

    This hardened matrix forms the body of the bone. Since flat bones are usually thinner than the long bones, they only have red bone marrow, rather than both red and yellow bone marrow (yellow bone marrow being made up of mostly fat). The bone marrow fills the space in the ring of osteoblasts, and eventually fills the bony matrix.