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]