epistasis

epistasis definition - medical

e·pis·ta·sis (ĭ-pĭsˈtə-sĭs)

noun pl. e·pis·ta·ses (-sēzˌ)
  1. A film that forms over the surface of a urine specimen.
  2. An interaction between nonallelic genes, especially an interaction in which one gene suppresses the expression of another.
  3. The suppression of a bodily discharge or secretion.

Related Forms:

  • epˌi·statˈic (ĕpˌĭ-stătˈĭk) adjective

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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