the process of classifying blood into blood groups, based on laboratory tests to reveal the presence or absence of particular antigens on the surface of red blood cells.
blood urea nitrogen
any of the vessels, as arteries, veins, or capillaries, through which the blood circulates. Historical Examples The World’s Greatest Books – Volume 15 – Science Various Gerald Fitzgerald Charles James Lever The Man Who Laughs Victor Hugo Garrison’s Finish W. B. M. Ferguson Glimpses of Bengal Sir Rabindranath Tagore The Pirate of the Mediterranean W.H.G. […]
a blood test or blood tests collectively. noun
any of several red or red-blooded annelid worms, especially various earthworms. the freshwater larva of midges. Historical Examples The Sea Shore William S. Furneaux noun the red wormlike aquatic larva of the midge, Chironomus plumosus, which lives at the bottom of stagnant pools and ditches a freshwater oligochaete tubifex worm any of several small reddish […]