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. Hilary Erhard Duff was born on September 28, 1987 in Houston, Texas, to Susan Duff (nÃ©e Cobb) and Robert Erhard Duff, a partner in convenience store chain. When Hilary was six, she had been traveling in the Cechetti Ballet with her sister Haylie Duff but decided she wanted to fulfill her dream of acting.