Dracaena A plant genus of the family LILIACEAE. The common name of "dragon's blood" is also used for CROTON and Daemonorops (ARECACEAE).
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Dracunculiasis Infection with nematodes of the genus Dracunculus. One or more worms may be seen at a time, with the legs and feet being the most commonly infected areas. Symptoms include pruritus, nausea, vomiting, diarrhea, or asthmatic attacks.
Dracunculoidea A superfamily of nematodes of the suborder CAMALLANINA. Its organisms possess a poorly developed buccal cavity and a rudimentary esophagus and intestine.
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Dracunculus Nematode A genus of nematode parasites which inhabit the body cavity, serous membranes, and connective tissues of vertebrates. The parasitic species in humans is Dracunculus medinensis.
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Drainage The removal of fluids or discharges from the body, such as from a wound, sore, or cavity.