Assertion: ilium | /r/CapableOf | form a part of the acetabulum
Facets:
Source sentences:
text: The body of the ilium is its more central portion, and it forms a part of the acetabulum—the socket joint where the head of the femur (upper leg bone) rests—as well as the acetabular fossa, a deeper depression just above the joint.﻿﻿