Entry: a disease of childhood in which an abnormal reaction takes place within the bone marrow. As a consequence, inflammatory changes take place and bone structure is altered. There is also anemia, brain damage, and malfunction of the pituitary gland, the liver, spleen, and lungs.
Etymology: Named after American pediatrician Alfred Hand, Jr. (d. 1949), Austrian neurologist Artur Schuller (d. 1957), and American physician Henry Asbury Christian (d. 1957).
@ Milton-Kindersley Advanced Dictionary