Medical Definition of familial polyposis
: any of several inherited diseases (as Gardner's syndrome or Peutz-Jegher's syndrome) that are characterized especially by the formation of polyps in the gastrointestinal tract; especially : familial adenomatous polyposis
Seen and Heard
What made you want to look up familial polyposis? Please tell us where you read or heard it (including the quote, if possible).