- The total mass of circulating white blood cells, their precursors, and the leukopoietic cells from which they arise.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for leukon
Fighting ensued, and he was beaten close to the town of Leukon.