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Are Ilium and Pelvis the Same?

Sarah Jenkins • • 7 min read
Are Ilium and Pelvis the Same?

ilium: The upper and widest of the three bones that make up each side of the hipbone

hipbone
The hip bone (os coxae, innominate bone, pelvic bone or coxal bone) is a large flat bone, constricted in the center and expanded above and below. In some vertebrates (including humans before puberty) it is composed of three parts: the ilium, ischium, and the pubis.
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and pelvis. pelvis: The large compound bone structure at the base of the spine that supports the legs. It consists of hip bone, sacrum, and coccyx.

Is the ilium part of the pelvis?

The ilium makes up the upper portion of the hip bone and pelvis. The largest and uppermost bone of the hip, the ilium, also known as the iliac bone, is an essential part of the pelvic girdle.

Where is the ilium on the pelvis?

The ilium is the widest and largest of the three parts of the hip bone, and is located superiorly. The body of the ilium forms the superior part of the acetabulum (acetabular roof). Immediately above the acetabulum, the ilium expands to form the wing (or ala).

Sarah Jenkins
Author

Sarah Jenkins

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.