splenosis

Implantation and subsequent growth of splenic tissue within the abdomen as a result of disruption of the spleen.

- thoracic s. presense of splenic tissue in the thorax, resultant from combined thoracic and abdominal trauma followed by splenectomy.

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sple·no·sis splē-'nō-səs n, pl -no·ses -.sēz or -no·sis·es a rare condition in which fragments of tissue from a ruptured spleen become implanted throughout the peritoneal cavity and often undergo regeneration and vascularization

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sple·no·sis (sple-noґsis) a condition in which multiple implants of splenic tissue are present throughout the peritoneal cavity.