Pronunciation: (i-rith"rō-bla-stō'sis), [key]
1. the presence of erythroblasts in the blood.
2. Also called eryth'roblasto'sis fe•tal'is Pronunciation: (fi-tal'is), [key] erythroblasto'sis ne•o•na•to'rum Pronunciation: (nē"u-nu-tôr'um, -tōr'-). [key]this condition in the fetus or newborn, usually caused by an Rh incompatibility between mother and baby.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.