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.
Eosinophilic esophagitis also known as EoE, is a relatively newly recognized disease that is characterized by eosinophils (allergy cells) building up in the lining of the esophagus. Eosinophilic esophagitis also known as EoE, is a relatively newly recognized disease that is characterized by eosinophils (allergy cells) building up in the lining of the esophagus. The eosinophils cause inflammation in the esophagus, which may cause the following symptoms: