pseudomyxoma peritonei

Definition / meaning of pseudomyxoma peritonei

A build-up of mucus in the peritoneal cavity. The mucus may come from ruptured ovarian cysts, from the appendix, or from other abdominal tissues. Mucus-secreting cells may attach to the peritoneal lining and continue to secrete mucus.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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