Schilling's blood count

[shĭlĭngz]
n.
  1. A method of counting blood cells in which the polymorphonuclear neutrophils are separated into four groups according to the number and the arrangement of the nuclear masses in each cell.Schilling's index
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.