Dither is an intentionally applied form of noise used to randomize quantization error, preventing large-scale patterns such as color banding in images. Dither is routinely used in processing of both digital audio and digital video data, and is often one of the last stages of audio production to compact disc.
Hepatic porphyria. Hepatic porphyrias is a form of porphyria in which the enzyme deficiency occurs in the liver. Examples include (in order of synthesis pathway): Acute intermittent porphyria. Porphyria cutanea tarda and Hepatoerythropoietic porphyria.
common hepatic duct. n. The part of the biliary duct system that is formed by the confluence of the right and left hepatic ducts and is joined by the cystic duct to become the common bile duct.omÂ·mon heÂ·paÂ·tic duct. the part of the biliary duct system that is formed by the confluence of right and left hepatic ducts. At the porta hepatis it is joined by the cystic duct to become the common bile duct.