erythroblastosis
- n a blood disease characterized by the abnormal presence of erythroblasts in the blood
erythroblastosis fetalis
- n severe anemia in newborn babies; the result of Rh incompatibility between maternal and fetal blood; typically occurs when the child of an Rh-negative mother inherits Rh-positive blood from the father; can be diagnosed before birth by amniocentesis
erythrocin
- n an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative
erythrocyte
- n a mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues; a biconcave disc that has no nucleus
erythrocyte sedimentation rate
- n the rate at which red blood cells settle out in a tube of blood under standardized conditions; a high rate usually indicates the presence of inflammation
erythrocytolysin
- n any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their hemoglobin