anochromasia

an·o·chro·ma·si·a

(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]

anochromasia

(1) Anisochromasia, see there. 
(2) Ring artefact (red cells), see there.

an·o·chro·ma·si·a

(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.
2. Accumulation of hemoglobin in the peripheral zone of erythrocytes.
[G. anō, upward, + chrōma, color]

anochromasia (an´ōkrōmā´zēə, -zhə),

n a variation in the staining quality of cells, particularly of degenerating red blood cells.