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.
(n.) An article of clothing which, when yanked upon, will yield a rising of socioeconomic status and an appreciation of one's accomplishments. Often worn with spats, top hat, and monocle.