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Pronunciation: ek'tro-me'le-a


  1. Congenital hypoplasia or aplasia of one or more limbs.
  2. A disease of mice caused by the ectromelia virus, a member of the family Poxviridae; characterized by gangrenous loss of feet and by necrotic areas in the internal organs; in laboratory mouse colonies, it usually results in high mortality rates.

[ectro- + G. melos, limb]

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