osteoonychodysplasia

osteoonychodysplasia /os′tē·ō·on′i·kō·dis·plā′zhə/ [Gk, osteon, bone, onyx, nail, dys, bad, plassein, to form] , 1. abnormal development of nails and bones. Also called onycho-osteodysplasia. 2. See nail-patella syndrome.