osteochondritis /-kəndrī″tis/ [Gk, osteon, bone, chondros, cartilage, itis, inflammation] , a disease of the epiphyses, or bone-forming centers of the skeleton, that begins with necrosis and tissue fragmentation and is followed by repair and regeneration. Kinds include osteochondritis deformans juvenilis, osteochondritis dissecans, osteochondritis ischiopubica, osteochondritis juvenilis, osteochondritis necroticans.