achromatosis


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achromatosis

 [ah-kro″mah-to´sis]
1. deficiency of pigmentation in the tissues.
2. lack of staining power in a cell or tissue.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ach·ro·mi·a

(ă-krō'mē-ă),
1. Hypopigmentation; absence or loss of natural pigmentation of the skin and iris; may be congenital or acquired.
See also: depigmentation.
2. Lack of capacity to accept stains in cells or tissue.
Synonym(s): achromasia (2) , achromatosis
[G. a- priv. + chrōma, color]
Farlex Partner Medical Dictionary © Farlex 2012
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