- megacalycosis
- 1. Congenital, nonobstructive enlargement of renal calices. 2. Excessively large number of calices. [mega- + G. kalyx, cup of a flower, + -osis, condition]
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mega·cal·y·co·sis (meg″ə-kal″ĭ-koґsis) [mega- + calix + -osis] nonobstructive dilatation of the renal calices due to malformation of the renal papillae; called also megapolycalicosis. Spelled also megacalicosis.
Medical dictionary. 2011.