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.
A frenectomy is the surgical removal all or part of the frenulum, or frenum, which is a thin band of tissue that is found in various parts of the human body. This surgery is most often performed on frenum tissue that is found in the mouth. It is a common surgical procedure in dental and orthodontic practices.