n.
The formation of blood or blood cells in the body.
hematopoietic he'ma·to·poi·et'ic (-ĕt'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.