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.
Definition of pound. 1  1a : an enclosure for animals; especially : a public enclosure for stray or unlicensed animals a dog poundb : a depot for holding impounded personal property until redeemed by the owner a car pound. 2  2 : a place or condition of confinement.