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Dactyledema
Dactyledema
Swelling of the fingers or toes.
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Dactarin
An imidazole antifungal agent that is used topically and by intravenous infusion.
Dactinomycin
An antitumor antibiotic derived from Streptomyces parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015)
Dactyl, dactyl
Prefix or suffix denoting involvement of the digits (fingers or toes).
Dactylitis
Inflammation of a whole digit. Due to tenosynovitis and often periostitis as well as arthritis. Seen in seronegative arthritis (typically psoriatic arthritis) and sarcoidosis.
Dactylolysis Spontanea
Spontaneous autoamputation of the fourth or fifth toe.
PREVIOUS AND NEXT TERMS--------------------------------------
Dacryo
A combining form denoting tears, as in dacryocyst (tear sac) and dacryocystorhinostomy (surgery to open up a tear duct).
Dacryoadenitis
Inflammation of a lacrimal gland (a gland that produces tears).
Dacryocyst
The lacrimal sac; tear sac. The dilated (widened) upper end of the nasolacrimal duct, the passageway that permits tears to drain into the nasal cavity.
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.
Dactyl, dactyl
Prefix or suffix denoting involvement of the digits (fingers or toes).
Dactyledema
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. For example, the Daily Value for fat, based on a 2,000-calorie diet, is 65 grams (g). A food that has 13 g of fat per serving would state on the label that the "percent Daily Value" for fat is 20 percent.
Daltonism
Colorblindness of the red-green type (also known as deuteranopia or deuteranomaly).
Dander
Tiny scales shed from human or animal skin or hair. Dander floats in the air, settles on surfaces and makes up much household dust. Cat dander is a classic cause of allergic reactions.
Dandy fever
An acute mosquito- borne viral illness of sudden onset that usually follows a benign course with headache, fever, prostration, severe joint and muscle pain, swollen glands (lymphadenopathy) and rash.
Danlos syndrome
Better known today as Ehlers-Danlos syndrome (EDS), this is an inherited disorder with easy bruising, joint hypermobility (loose joints), skin laxity, and weakness of tissues. There are a number of different Ehlers-Danlos syndromes which share these features but can be categorized into nine different types.
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