Structure and Development of the Iliac Crest
- The iliac crest stretches from the ASIS to the PSIS.
- It has an outer and inner lip separated by the intermediate zone.
- The outer lip bulges laterally into the iliac tubercle.
- The crest is convex superiorly but sinuously curved.
- It is thinner at the center than at the extremities.
- The iliac crest is derived from endochondral bone.
- It contains a large amount of red bone marrow.
- It is the site of bone marrow harvests for stem cell collection.
- It is the most ideal donor site for bone grafting.
- It marks the level of the fourth lumbar vertebral body (L4).
Additional Images
- Left iliac crest is labeled in red in muscles connecting the upper extremity to the vertebral column.
- Plan of ossification of the hip bone.
- The Obliquus internus abdominis.
- Muscles of the iliac and anterior femoral regions.
- The relations of the kidneys from behind.
Related Terms and Concepts
- This article uses anatomical terminology.
- Apollos belt.
- Hip pointer.
References
- This article incorporates text in the public domain from page 234 of the 20th edition of Grays Anatomy (1918).
- Platzer (2004), p 186.
- Palastanga (2006), p 243.
- Bogduk (2005), p 106.
- Rose, Louis F.. Periodontics: Medicine, Surgery and Implants. Mosby, 072004. 26.2.2.3.
The crest of the ilium (or iliac crest) is the superior border of the wing of ilium and the superiolateral margin of the greater pelvis.
| Iliac crest | |
|---|---|
 Pelvic girdle. | |
 Overview of Ilium as largest bone of the pelvis | |
| Details | |
| Identifiers | |
| Latin | crista iliaca |
| TA98 | A02.5.01.106 |
| TA2 | 1322 |
| FMA | 16914 |
| Anatomical terms of bone | |
iliac + crest
iliac crest (plural iliac crests)
