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Arcuate line (ilium)

Bone: Arcuate line (ilium)

Male pelvis. (Arcuate line labeled at left.)

Right hip bone. Internal surface. (Arcuate line visible at left center.)
Latin	linea arcuata ossis ilii
Gray's	subject #57 233
Dorlands/Elsevier	l_10/12496049

For other arcuate lines, see arcuate line.

The arcuate line of the ilium is a smooth rounded border on the internal surface of the ilium. It is immediately inferior to the iliac fossa and Iliacus muscle.

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It runs inferior, anterior, and medial.

It forms part of the border of the pelvic inlet.

In combination with the pectineal line, it comprises the iliopectineal line.^[1]

Additional images

References

^ Kirschner, Celeste G. (2005). Netter's Atlas Of Human Anatomy For CPT Coding. Chicago: American medical association, 274. ISBN 1-57947-669-4.

v • d • e Bones of pelvis/pelvic cavity
General	sacrum, coccyx, hip bone
Ilium	Body (Arcuate line) Wing: gluteal lines (Posterior, Anterior, Inferior) - Fossa - iliac spines (Anterior superior, Anterior inferior, Posterior superior, Posterior inferior) - Crest - Tuberosity
Ischium	Body (Ischial spine, Lesser sciatic notch) - Superior ramus (Tuberosity of the ischium) - Inferior ramus
Pubis	Body - Superior ramus (Pubic tubercle, Pubic crest, Obturator crest) - Inferior ramus (Pectineal line)
Compound	Acetabulum (Acetabular notch) - Iliopubic eminence/Iliopectineal line - Linea terminalis - Ischiopubic ramus/Pubic arch Obturator foramen - Greater sciatic foramen/Greater sciatic notch - Lesser sciatic foramen Lesser pelvis (Pelvic inlet, Pelvic brim, Pelvic outlet) - Greater pelvis