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.
Hilary Duff (album) Hilary Duff is the self-titled third studio album by American singer Hilary Duff. It was released on September 29, 2004, shortly after her seventeenth birthday, by Hollywood Records. Duff cited the album as being more mature than her previous albums, stating Basically, I'm not Lizzie McGuire anymore.