dyschondrosteosis dys·chon·dros·te·o·sis (dĭs'kŏn-drŏs'tē-ō'sĭs)
n.
A familial bone dysplasia characterized by bowing of the radius, dorsal dislocation of the distal ulna and proximal carpal bones, and mesomelic dwarfism. Also called Leri-Weill syndrome.