Koolen-De Vries syndrome

English Koolen–De Vries syndrome Etymology Named after Dutch geneticists David A. Koolen and Bert B. A. de Vries, who helped discover the syndrome in 2006. Noun - Koolen-De Vries syndrome A rare genetic disorder caused by a deletion of a segment of chromosome 17 containing six genes, commonly resulting in low birthweight and muscle tone at birth, poor feeding in infancy, and oromotor dyspraxia together with moderate developmental delays and learning disabilities. en 17q21.31 microdeletion syndrome KdVS en eponyms