Dacryocystorhinostomy
Dacryocystorhinostomy: The surgical creation of a passage between the lacrimal sac (tear sac) and the nasal cavity to permit the drainage of tears. Dacryocystorhinostomy may be done to remedy an obstructed nasolacrimal duct.
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- Dactyl-, -dactyl
Dactyl-, -dactyl: Prefix or suffix denoting the digits (fingers or toes), as in dactylitis (inflammation of a finger or toe).
- Daily Prayer of a Physician
Daily Prayer of a Physician: A prayer that is said to have been written by the twelfth-century physician’ philosopher Moses Maimonides, but possibly penned by German physician Marcus Herz. This prayer is often recited by new medical graduates.
- Daily Value
Daily Value: DV, a term on food labels based on the RDA (Recommended Dietary Allowance) designed to help consumers use food label information to plan a healthy diet. The Daily Value serves as a basis for declaring on the label the percent of the DV for each nutrient that a serving of the food provides. […]
- Daltonism
Daltonism: Colorblindness of the red-green type (also known as deuteranopia or deuteranomaly). The term “Daltonism” is derived from the name of the chemist and physicist, John Dalton (1766-1844). Dalton was born in a village in Cumberland, England where his father, Joseph, was a weaver in poor circumstances. He was educated by his father and John […]
- Dancing mania of Maracaibo
Dancing mania of Maracaibo: Huntington disease. Beginning in the 1950s Dr. Americo Negrette observed a number of people with a dancing mania in villages along Lake Maracaibo, Venezuela. The syndrome was then called el mal (the bad) or el mal de San Vito (the sickness of Saint Vitus). Dr. Negrette diagnosed and reclassified the dancing […]