Interosseous membrane of leg: The interosseous membrane of the leg (middle tibiofibular ligament) extends between the interosseous crests of the tibia and fibula, helps stabilize the Tib-Fib relationship and separates the muscles on the front from those on the back of the leg.Demineralized freeze dried bone allograft: Demineralized freeze dried bone allograft, referred to as DFDBA, is a bone graft material known for its [novo] bone formation properties.Bowers, GM, et al.Z-plastyRotation flap: A rotation flap is a semicircular skin flap that is rotated into the defect on a fulcrum point. Rotation flaps provide the ability to mobilize large areas of tissue with a wide vascular base for reconstruction.Nonunion: Nonunion is permanent failure of healing following a broken bone.Fibrous dysplasia of boneChalkstick fracture: Chalkstick fractures are fractures, typically of long bones, in which the fracture is transverse to the long axis of the bone, like a broken stick of chalk. A healthy long bone typically breaks like a hard woody stick as the collagen in the matrix adds remarkable flexibility to the mineral and the energy can run up and down the growth rings of bone.OsteotomySprainFootballer's ankle: Footballer's Ankle is a pinching or impingement of the ligaments or tendons of the ankle between the bones, particularly the talus and tibia. This results in pain, inflammation and swelling.PseudarthrosisPhocomeliaSquittenEctrodactylyCurettage: Curettage ( or ), in medical procedures, is the use of a curette (French, meaning scoopMosby's Medical, Nursing & Allied Health Dictionary, Fourth Edition, Mosby-Year Book 1994, p. 422) to remove tissue by scraping or scooping.Internal fixationBone tumorCornell's sign: Cornell's sign is a clinical sign in which scratching along the inner side of the extensor hallucis longus tendon elicits an extensor plantar reflex. It is found in patients with pyramidal tract lesions, and is one of a number of Babinski-like responses.Stress fractureUlnar collateral ligament injury: Ulnar collateral ligament injuries They can be classified into two categories: a slow deterioration or an acute rupture.Diaphysis: The diaphysis (OED 2nd edition, 1989, as .Entry "diaphysis" in Merriam-Webster Online Dictionary.Large cell: Large cell is a term used in oncology. It does not refer to a particular type of cell; rather it refers to cells that are larger than would be normally expected for that type.