Definition | A congenital abnormality in which organs in the THORAX and the ABDOMEN are opposite to their normal positions (situs solitus) due to lateral transposition. Normally the STOMACH and SPLEEN are on the left, LIVER on the right, the three-lobed right lung is on the right, and the two-lobed left lung on the left. Situs inversus has a familial pattern and has been associated with a number of genes related to microtubule-associated proteins.
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Synonym | abdominal situs inversus complete transposition complete transposition (morphologic abnormality) inversus situs inversus, situs situs inversus situs inversus (disorder) situs inversus [disease/finding] situs inversus nos situs inversus nos (disorder) situs inversus visceralis situs inversus viscerum situs inversus viscerum (disorder) situs inversus, unspecified situs inversus, unspecified (disorder) situs transversus situs viscerum inversus siv transposition of viscera unspecified visceral inversion
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