1) City of northeast france 
The central lighter-coloured portion of the erythrocyte, as observed in a stained film of blood. ... Origin: D. Delle, low ground, pit ... (05 Mar 2000) ... 
(del´ә) the clear area in the center of a stained red blood cell when seen under a microscope.
Type: Term Pronunciation: del′eh Definitions: 1. The central lighter-colored portion of the erythrocyte, as observed in a stained film of blood.