| Don Juan | In psychiatry, a term used to denote males with compulsive sexual or romantic overactivity, usually with a succession of female partners. Origin: Legendary Spanish nobleman. (05 Mar 2000) |
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| Donath, Julius | <person> German physician, 1870-1950. See: Donath-Landsteiner phenomenon, Donath-Landsteiner cold autoantibody, Landsteiner-Donath test. (05 Mar 2000) |
| Donath-landsteiner | <investigation> A serologic blood test used to detect antibody in serum in cases of suspected paroxysmal cold haemoglobinuria. The antibody is directed toward the P-antigen complex which is located on the surface of red blood cells. In some way, cold temperatures trigger the antibody to bind to this site. (15 Nov 1997) |
| Donath-Landsteiner cold autoantibody | An autoantibody of the IgG class responsible for paroxysmal cold haemoglobinuria; it is adsorbed to red cells only at temperatures of 20캜 or lower, causing the red cells to lyse in the presence of complement at higher temperatures; it has only slight agglutinating properties in spite of its marked lytic activity, and has a specificity within the blood group P; it is also occasionally present for short periods of time following measles and other infections, and formerly was frequently associated with syphilis. Synonym: cold haemolysin. (05 Mar 2000) |
| Donath-Landsteiner phenomenon | The haemolysis which results in a sample of blood of a subject of paroxysmal haemoglobinuria when the sample is cooled to around 5캜 and then warmed again. (05 Mar 2000) |
| donative | 1. A gift; a largess; a gratuity; a present. "The Romans were entertained with shows and donatives." 2. A benefice conferred on a person by the founder or patron, without either presentation or institution by the ordinary, or induction by his orders. See the Note under Benefice. 3. Origin: L. Donativum, fr. Donare: cf. F. Donatif. See Donate. Source: Websters Dictionary (01 Mar 1998) |
| donax | <botany> A canelike grass of southern Europe (Arundo Donax), used for fishing rods, etc. Origin: L, reed, also a sea fish, Gr. Source: Websters Dictionary (01 Mar 1998) |
| doncella | <zoology> A handsome fish of Florida and the West Indies (Platyglossus radiatus). The name is applied also to the ladyfish (Harpe rufa) of the same region. Origin: Sp, lit, a maid. Cf. Damsel. Source: Websters Dictionary (01 Mar 1998) |
| Donders' glaucoma | An obsolete eponym for open-angle glaucoma. (05 Mar 2000) |
| Donders' law | The rotation of the eyeball is determined by the distance of the object from the median plane and the line of the horizon. (05 Mar 2000) |
| Donders' pressure | An increase of about 6 mm Hg shown by a manometer connected with the trachea when the thorax of the dead body is opened; it is caused by the collapse of the lungs when air is admitted to the thorax. (05 Mar 2000) |
| Donders' rings | An obsolete term for the iridescent ring's or haloes observed by a cloudy cornea due to acute glaucoma. (05 Mar 2000) |
| Donders, Franz | <person> Dutch ophthalmologist, 1818-1889. See: Donders' glaucoma, Donders' law, Donders' pressure, Donders' rings, space of Donders. (05 Mar 2000) |
| doni | A clumsy craft, having one mast with a long sail, used for trading purposes on the coasts of Coromandel and Ceylon. Alternative forms: dhony, doney, and done. Origin: Tamil tni. Source: Websters Dictionary (01 Mar 1998) |
| donkey | Origin: Prob. Dun, in allusion to the colour of the animal + a dim. Termination. 1. An ass; or (less frequently) a mule. 2. A stupid or obstinate fellow; an ass. Donkey engine, a small auxiliary engine not used for propelling, but for pumping water into the boilers, raising heavy weights, and like purposes. Donkey pump, a steam pump for feeding boilers, extinguishing fire, etc.; usually an auxiliary. <botany> Donkey's eye, the large round seed of the Mucuna pruriens, a tropical leguminous plant. Source: Websters Dictionary (01 Mar 1998) |
| Marshall, Don | <person> U.S. Ophthalmologist, *1905. See: Marshall syndrome. (05 Mar 2000) |
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| Gimbernat, Don Manuel de | <person> Spanish anatomist and surgeon, 1734-1816. See: Gimbernat's ligament. (05 Mar 2000) |
| Nelson, Don | <person> U.S. Internist, *1925. See: Nelson syndrome, Nelson tumour. (05 Mar 2000) |