Medical Dictionary


adjective non·func·tion·ing \-ˈfəŋ(k)-sh(ə-)niŋ\

Medical Definition of nonfunctioning

  1. 1:  not performing or able to perform a regular function a nonfunctioning thyroid

  2. 2of a tumor :  not secreting hormones or not secreting hormones which produce clinical symptoms a nonfunctioning pituitary adenoma nonfunctioning islet cell tumors

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