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International Journal of Anatomical Variations

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Bifid rib – a rare incidental observation at autopsy

Author(s): Santhosh Chandrappa Siddappa*, Viswanathan Karibasappa Gowda and Bande Nawaz

A case of bifid 3rd rib on the left side of the chest found accidentally at autopsy is discussed. The hole type of bifid rib, where the two cartilaginous divisions reunited and articulated with the sternum was found in this case. The 2nd anterior intercostal artery that branched from the internal thoracic artery was the artery supplying the bifid space. The intercostal nerve ran along the costal groove of the lower division of the rib and no branch was present in the upper division of the rib. These rarities and anatomical variations will widen the prospects of research in the field of medical science.


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