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2024-03-02T15:37:48Z

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'''Sciatic Notch'''

The '''Sciatic Notch''' is a significant anatomical feature located in the [[human pelvis]]. It is divided into two sections: the [[Greater Sciatic Notch]] and the [[Lesser Sciatic Notch]], both of which play crucial roles in the human skeletal system.

== Anatomy ==

The Sciatic Notch is a deep indentation located on the posterior side of the [[ilium]], one of the three bones that make up the hip bone. It is situated above the [[Ischial spine]] and below the [[Posterior Inferior Iliac Spine]]. The Greater Sciatic Notch is larger and situated superiorly, while the Lesser Sciatic Notch is smaller and located inferiorly.

== Function ==

The primary function of the Sciatic Notch is to allow the passage of several important structures from the pelvis to the [[gluteal region]]. These include the [[sciatic nerve]], the largest nerve in the human body, and various blood vessels and muscles. The Greater Sciatic Notch allows the passage of the [[piriformis muscle]], sciatic nerve, and several other nerves and vessels. The Lesser Sciatic Notch allows the passage of the [[tendon]] of the [[Obturator internus muscle]] and the [[Nerve to obturator internus]].

== Clinical Significance ==

The Sciatic Notch is of particular interest in [[orthopedics]] and [[radiology]] due to its involvement in certain medical conditions. For instance, a narrow Sciatic Notch can lead to [[Sciatica]], a condition characterized by pain radiating along the path of the sciatic nerve. It is also used as a landmark in radiographic imaging to assess pelvic injuries and abnormalities.

== See Also ==
* [[Pelvis]]
* [[Sciatic nerve]]
* [[Ilium (bone)]]
* [[Ischial spine]]
* [[Posterior Inferior Iliac Spine]]

[[Category:Anatomy]]
[[Category:Orthopedics]]
[[Category:Radiology]]

{{Anatomy-stub}}

Sciatic notch - Revision history

Prab: CSV import