| dandelion | <botany> A well-known plant of the genus Taraxacum (T. Officinale, formerly called T. Dens-leonis and Leontodos Taraxacum) bearing large, yellow, compound flowers, and deeply notched leaves. Origin: F. Dent de lion lion's tooth, fr. L. Dens tooth + leo lion. See Tooth, and Lion. Source: Websters Dictionary (01 Mar 1998) |
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| dander | 1. A fine scaling of the skin and scalp. See: dandruff. 2. A normal effluvium of animal hair or coat capable of causing allergic responses in atopic persons. (05 Mar 2000) |
| danders | Tiny scales shed from human or animal skin or hair. Danders float in the air, settle on surfaces and make up much household dust. Cat danders are a classic cause of allergic reactions. (12 Dec 1998) |
| dandie | <zoology> One of a breed of small terriers. Synonym: Dandie Dinmont. Source: Websters Dictionary (01 Mar 1998) |
| dandruff | <dermatology> Dried skin that flakes free from the scalp. (27 Sep 1997) |
| dandy | Origin: Cf. F. Dandin, ninny, silly fellow, dandiner to waddle, to play the fool; prob. Allied to E. Dandle. Senses 2&3 are of uncertain etymol. 1. One who affects special finery or gives undue attention to dress; a fop; a coxcomb. 2. A sloop or cutter with a jigger on which a lugsail is set. A small sail carried at or near the stern of small boats. Synonym: jigger, and mizzen. 3. A dandy roller. See below. Dandy brush, a yard whalebone brush. Dandy fever. See Dengue. Dandy line, a kind of fishing line to which are attached several crosspieces of whalebone which carry a hook at each end. Dandy roller, a roller sieve used in machines for making paper, to press out water from the pulp, and set the paper. Source: Websters Dictionary (01 Mar 1998) |
| dandy fever | Tropical disease caused by a flavivirus (one of the arboviruses), transmitted by mosquitoes. A more serious complication is dengue shock syndrome, a haemorrhagic fever probably caused by an immune complex hypersensitivity after re exposure. (18 Nov 1997) |
| Dandy operation | More specifically see: third ventriculostomy, trigeminal rhizotomy. (05 Mar 2000) |
| Dandy, Walter | <person> U.S. Surgeon, 1886-1946. See: Dandy operation, Dandy-Walker syndrome. (05 Mar 2000) |
| Dandy-Walker syndrome | <syndrome> Obstruction of foramina of Luschka and Magendie, enlarged 4th ventricle, hypoplastic vermis and cerebellum associated with: agenesis of corpus callosum, encephalocele (12 Dec 1998) |
| dane | A native, or a naturalized inhabitant, of Denmark. Great Dane. <zoology> See Danish dog, under Danish. Origin: LL. Dani: cf. AS. Dene. Source: Websters Dictionary (01 Mar 1998) |
| dane particle | <virology> 42 nm spherical particle, the complete infective virion of hepatitis B containing a 27 nm core antigen. (27 Sep 1997) |
| Dane's stain | <technique> A stain for prekeratin, keratin, and mucin which employs haemalum, phloxine, Alcian blue, and orange G; nuclei appear orange to brown, acid mucopolysaccharides pale blue, and keratins orange to red-orange. (05 Mar 2000) |
| Dane, D | <person> 20th century British virologist. See: Dane particles. (05 Mar 2000) |
| danewort | <botany> A fetid European species of elder (Sambucus Ebulus); dwarf elder; wallwort; elderwort. Synonym: Daneweed, Dane's weed, and Dane's-blood. Origin: Said to grow on spots where battles were fought against the Danes. Source: Websters Dictionary (01 Mar 1998) |