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International Journal of Anatomical Variations

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Rajani Singh*
 
1 Department of Anatomy, Chhatrapati Shahu Ji Maharaj University, Lucknow, UP, India, Email: [email protected]
 
*Correspondence: Dr. Rajani Singh, Department of Anatomy, Chhatrapati Shahu Ji Maharaj University, Lucknow, UP, India, Tel: 919453193659, Email: [email protected]

Received: 25-Sep-2010 Accepted Date: Jun 14, 2011; Published: 10-Aug-2011

Citation: IJAV. 2011; 4: 139–140.

This open-access article is distributed under the terms of the Creative Commons Attribution Non-Commercial License (CC BY-NC) (http://creativecommons.org/licenses/by-nc/4.0/), which permits reuse, distribution and reproduction of the article, provided that the original work is properly cited and the reuse is restricted to noncommercial purposes. For commercial reuse, contact [email protected]

Abstract

Sacrum is wedged between two iliac bones at sacroiliac joint forming posterior wall of pelvis. Normally, there are five sacral vertebrae between cranially, fifth lumbar vertebra and caudally, first coccygeal vertebra forming four pairs of sacral foramina. But during osteology demonstration class of undergraduate MBBS students a sacrum with five pairs of sacral foramina was detected. This is a new anatomical variant.
The fifth pair of sacral foramina is generated either due to fusion of first coccygeal vertebra to apex of sacrum or fifth lumbar vertebra with first sacral vertebra. However, in the sacrum under study, the fifth pair of sacral foramina was developed due to sacralization of first coccyx with the fifth sacral vertebra. This pair of foramina gives passage to fifth pair of sacral nerve and coccygeal nerve. The variant is of paramount importance to surgeons and obstetricians dealing with these nerves.

 

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Citations : 2140

International Journal of Anatomical Variations received 2140 citations as per Google Scholar report

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