Also found in: Dictionary, Encyclopedia, Wikipedia.
faulty union of the fragments of a fractured bone.
Union of the ends of a broken bone resulting in a deformity or a crooked limb; frequently used interchangeably with faulty union.
Synonym(s): vicious union
malunion/mal·un·ion/ (mal-ūn´yon) faulty union of the fragments of a fractured bone.
Etymology: L, malus + unus, one
an imperfect union of previously fragmented bone or other tissue. Causes of bone malunion include osteomyelitis and improper immobilization of a fracture.
malunionThe partial and incorrectly angled joining of two or more large fracture fragments.
malunionOrthopedics The partial and incorrectly angled joining of large fracture fragments
Faulty union of the ends of a broken bone resulting in a deformity or a crooked limb. Also called vicious union.
malunionHealing of a bone fracture in an unsatisfactory position. This may interfere with the mechanics of adjacent joints and lead to OSTEOARTHRITIS.
faulty union (i.e. incorrect anatomical alignment) of the fragments of a fractured bone.