| polysplenia | A condition in which splenic tissue is divided into nearly equal masses or totally absent; congenital heart disease and lung symmetry are common. The condition may be related to situs inversus. Most cases are sporadic. See: bilateral left-sidedness. Origin: poly-+ G. Splen, spleen (05 Mar 2000) |
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| polysplenia syndrome | A syndrome in which normally unpaired organs develop more symmetrically in mirror image; two spleens, one on each side, are usually present, and cardiovascular anomalies are common. Synonym: polysplenia syndrome. (05 Mar 2000) |
| asplenia / polysplenia | <radiology> Probably different degrees of the same disorder, asplenia, more severe, Heinz and Howell-Jolly bodies, polysplenia (12 Dec 1998) |
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