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The same human pelvis, front imaged by X-ray (top), magnetic resonance imaging (middle), and 3-dimensional computed tomography (bottom). The pelvis (pl.: pelves or pelvises) is the lower part of an anatomical trunk, [1] between the abdomen and the thighs (sometimes also called pelvic region), together with its embedded skeleton [2] (sometimes also called bony pelvis or pelvic skeleton).
The pelvic cavity is a body cavity that is bounded by the bones of the pelvis. Its oblique roof is the pelvic inlet (the superior opening of the pelvis). Its lower boundary is the pelvic floor. The pelvic cavity primarily contains the reproductive organs, urinary bladder, distal ureters, proximal urethra, terminal sigmoid colon, rectum, and ...
The posterior border of the ala of sacrum, shorter than the anterior, also presents two projections separated by a notch, the posterior superior iliac spine and the posterior inferior iliac spine.
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.
Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. ... Lateral view. Anterior inferior iliac spine visible to the left. Notes
Pelvic girdle. (Region of iliac fossa visible at tip of arrow pointing from the word "Ilium".) ... Hip joint. Lateral view. Iliac fossa. Lumbar and sacral plexus ...
It marks the lateral boundary of the pelvic outlet. When sitting, the weight is frequently placed upon the ischial tuberosity. [3] The gluteus maximus provides cover in the upright posture, but leaves it free in the seated position. [4] The distance between a cyclist's ischial tuberosities is one of the factors in the choice of a bicycle saddle.
The internal obturator muscle arises from the inner surface of the antero-lateral wall of the pelvis. [1] It surrounds the obturator foramen. [1] [2] It is attached to the inferior pubic ramus and ischium, and at the side to the inner surface of the hip bone below and behind the pelvic brim. [1]