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Pronunciation: or'ga-noyd


  1. Resembling in superficial appearance or in structure any of the organs or glands of the body.
  2. Composed of glandular or organic elements and not of a single tissue; pertaining to certain neoplasms (an adenoma) that contain cytologic and histologic elements arranged in a pattern that closely resembles or is virtually identical to a normal organ.

Synonym(s): organelle

[organo- + G. eidos, resemblance]

See Also: histoid

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.