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Definition of Achromia
1. Noun. An absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells.
Category relationships: Medical Specialty, Medicine
Definition of Achromia
1. Noun. (medicine) Absence of pigmentation, especially in the skin or blood ¹
¹ Source: wiktionary.com
Medical Definition of Achromia
1. 1. Depigmentation; absence, or loss of natural pigmentation of the skin and iris; may be congenital or acquired. See: depigmentation. 2. Lack of capacity to accept stains in cells or tissue. Synonym: achromasia, achromatosis. Origin: G. A-priv. + chroma, colour (05 Mar 2000)
Lexicographical Neighbors of Achromia
Literary usage of Achromia
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Practical Treatise on Diseases of the Skin: For the Use of Students and by James Nevins Hyde, Frank Hugh Montgomery (1897)
"Albinismus is a congenital cutaneous achromia, characterized by universal defect
of pigment, unaccompanied by textural changes in the skin. Symptoms. ..."
2. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1875)
"Dr. Forlanini reports an instance of acquired achromia and ... in the black race ;
but the association of achromia, with varying grades of ..."
3. The Medical Clinics of North America by Michael C. Fiore, Stephen S. Entman, Charles B. Rush (1922)
"Hence, achromia, which often ... The red cells, besides showing achromia and
evidence of youth (reticulation and ..."
4. Physical Diagnosis by Richard Clarke Cabot (1919)
"achromia or abnormally great pallor of the centres of the cells is the most
important point in the recognition of secondary anemia and the exclusion of ..."
5. Transactions of the Association of American Physicians by Association of American Physicians (1921)
"+ + moderate achromia: Definite but slight variation in size and shape; one
polychromatic cell per 4 or 5 fields. t Platelets: + very slight increase in ..."
6. Differential diagnosis by Richard Clarke Cabot (1912)
"The red cells showed very marked achromia, moderate deformities in shape, ...
The most distinctive features are the achromia and the low color index. ..."
7. The Nomenclature of Diseases by Royal College of Physicians of London (1918)
"achromia. Albinism. Congenital pigmentation. Vascular anomalies. Optic nerve.
Persistent embryonic tissue on disc. Pigment on disc. Coloboma of disc. ..."
8. A Practical treatise on diseases of the skin: For the Use of Students and by Oliver Samuel Ormsby (1915)
"The treatment of all these conditions is most unsatisfactory. Various methods
have been employed with varying success. LEUCODERMA. Synonyms.—achromia ..."
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