dysplasia epiphysialis multiplex dysplasia ep·i·phys·i·a·lis mul·ti·plex (ěp'ə-fĭz'ē-ā'lĭs mŭl'tə-plěks')
n.
An inherited abnormality affecting bone epiphyses, characterized by difficulty in walking, pain and stiffness of joints, stubby fingers, and often a type of dwarfism.