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epistases

 - 4 dictionary results

e⋅pis⋅ta⋅sis

  [i-pis-tuh-sis]
Use epistases in a Sentence
–noun, plural -ses  [-seez] .
1. Genetics. a form of interaction between nonallelic genes in which one combination of such genes has a dominant effect over other combinations.
2. Medicine/Medical.
a. the stoppage of a secretion or discharge.
b. a scum that forms on a urine specimen upon standing.
Origin:
1915–20; < Gk epístasis stopping, stoppage. See epi-, stasis

Related forms:
ep⋅i⋅stat⋅ic  [ep-uh-stat-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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e·pis·ta·sis   (ĭ-pĭs'tə-sĭs)   
n.   pl. e·pis·ta·ses (-sēz')

  1. An interaction between nonallelic genes, especially an interaction in which one gene suppresses the expression of another.

  2. A film that forms over the surface of a urine specimen.

  3. The suppression of a bodily discharge or secretion.


[Greek, stoppage, from epistanai, to stop, check : ep-, epi-, epi- + histanai, to place; see stā- in Indo-European roots.]
ep'i·stat'ic (ěp'ĭ-stāt'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: epis·ta·sis
Pronunciation: i-'pis-t&-s&s
Function: noun
Inflected Form: plural epis·ta·ses /-"sEz/
1 a : suppression of a secretion or discharge b : a scum on the surface of urine
2 : suppression of the effect of a gene bya nonallelic gene epistasis in polygenic inheritance>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

epistasis e·pis·ta·sis (ĭ-pĭs'tə-sĭs)
n. pl. e·pis·ta·ses (-sēz')

  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.

ep'i·stat'ic (ěp'ĭ-stāt'ĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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