Learner's definition of DITHER. [singular] informal. : a very nervous, confused, or excited state â usually used in the phrase in a dither. They're in a dither over what to do next. The news of his arrival had us (all) in a dither.
Hepatectomy is the surgical resection (removal of all or part) of the liver. While the term is often employed for the removal of the liver from a liver transplant donor, this article will focus on partial resections of hepatic tissue and hepatoportoenterostomy. 1  1 History.  2 Indications.
Laminectomy is the removal of the entire bony lamina, a portion of the enlarged facet joints, and the thickened ligaments overlying the spinal cord and nerves. Laminotomy is the removal of a small portion of the lamina and ligaments, usually on one side. Using this method the natural support of the lamina is left in place, decreasing the chance of postoperative spinal instability.