Skip to Content
Medical Term:


Pronunciation: nod'yul


A small node; in skin, a node up to 1.0 cm in diameter, solid, with palpable depth; a pulmonary or pleural lesion seen on a radiographic image as a well-defined, discrete, roughly circular opacity 2–30 mm in diameter.

Synonym(s): nodulus1TA

[L. nodulus, dim. of nodus, knot]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.