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.
Context means the setting of a word or event. If your friend is furious at you for calling her your worst enemy, remind her that the context of those remarks was Opposite Day. Context comes from the Latin for how something is made. We use it now to talk about any circumstance in which something happens.