juxtaposition (plural juxtapositions) 1  The nearness of objects with little or no delimiter. 2  The extra emphasis given to a comparison when the contrasted objects are close together.
Hemolytic disease of the newborn (HDN), also known as alloimmune HDN or erythroblastosis fetalis, is a potentially fatal alloimmune condition where fetal red blood cells are destroyed by transplacentally acquired maternal antibodies. RhD is the most common offending paternal antigen.
How Dana-Farber/Boston Children's approaches hemolytic disease of the newborn. Hemolytic disease of the newborn (HDN) is treated through the Blood Disorders Center at Dana-Farber/Boston Children's. Hemolytic disease of the newborn was first identified in 1932 at Boston Children's Hospital by Dr. Louis Diamond.