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Pronunciation: an′ō-krō-mā′zē-ă


  1. Failure of cells or other elements of tissue to acquire color in the usual manner when treated with a stain (or stains).
  2. Accumulation of hemoglobin in the peripheral zone of erythrocytes, with a pale, virtually colorless central portion resulting.

[G. anō, upward, + chrōma, color]

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