Iliac fossa

The iliac fossa is a large, smooth, concave surface on the internal surface of the ilium (part of the three fused bones making the hip bone).

Iliac fossa
Right hip bone. Internal surface. (Iliac fossa visible at upper left.)
Pelvic girdle. (Region of iliac fossa visible at tip of arrow pointing from the word "Ilium".)
Details
Identifiers
Latinfossa iliaca
TA98A02.5.01.115
TA21331
FMA75316
Anatomical terms of bone

Structure

The iliac fossa is bounded above by the iliac crest, and below by the arcuate line. It is bordered in front and behind by the anterior and posterior borders of the ilium.

The iliac fossa gives origin to the iliacus muscle.[1] The obturator nerve passes around the iliac fossa.[2] It is perforated at its inner part by a nutrient canal. Below it there is a smooth, rounded border, the arcuate line, which runs anterior, inferior, and medial.

When the "left" or "right" adjective is used (e.g. "right iliac fossa"), the iliac fossa usually means one of the inguinal regions of the nine regions of the abdomen.

Additional images
  • The iliacus and nearby muscles
    The iliacus and nearby muscles
  • Iliac fossa
    Iliac fossa
  • Iliac fossa
    Iliac fossa
  • Hip joint. Lateral view. Iliac fossa.
    Hip joint. Lateral view. Iliac fossa.
  • Lumbar and sacral plexus. Deep dissection. Anterior view
    Lumbar and sacral plexus. Deep dissection. Anterior view

See also

References
  1. Chaitow, Leon; DeLany, Judith (2011-01-01), Chaitow, Leon; DeLany, Judith (eds.), "Chapter 11 - The pelvis", Clinical Application of Neuromuscular Techniques, Volume 2 (Second Edition), Oxford: Churchill Livingstone, pp. 299–389, ISBN 978-0-443-06815-7, retrieved 2021-01-13
  2. Ahmadian, Amir; Abel, Naomi; Dakwar, Elias (2015-01-01), Tubbs, R. Shane; Rizk, Elias; Shoja, Mohammadali M.; Loukas, Marios (eds.), "Chapter 35 - Injuries to the Nerves of the Abdominopelvic Region", Nerves and Nerve Injuries, San Diego: Academic Press, pp. 545–555, ISBN 978-0-12-802653-3, retrieved 2021-01-13
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