OBjEcT Failed solid bony fusion, or pseudarthrosis, is a well-known complication of lumbar arthrodesis. Recent ad-. vances in radiographic technology, biologics, instrumentation, surgical technique, and understanding of the local biology. have all aided in the prevention and treatment of pseudarthrosis.
Definition of duff. 1  1 : a boiled or steamed pudding often containing dried fruit. 2  2 : the partly decayed organic matter on the forest floor. 3  3 : fine coal : slack.
Since he moved from Chelsea for pounds 5million two years ago Duff, 29, has hardly played because of injury and falling out of favour with boss Kevin Keegan. Duff was convicted of the offence last month and was hit with a pounds 100 fine and three penalty points.