| Gerdy, Pierre | <person> A French surgeon, 1797-1856. See: Gerdy's fibres, Gerdy's fontanel, Gerdy's hyoid fossa, Gerdy's ligament, Gerdy's interatrial loop, Gerdy's tubercle. (05 Mar 2000) |
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| gerfalcon | <zoology> One of several species and varieties of large Arctic falcons, especially. Falco rusticolus and the white species F. Islandicus, both of which are circumpolar. The black and the gray are varieties of the former. Alternative forms: gerfalcon, gierfalcon, and jerfalcon. Origin: OE. Gerfaucon, OF. Gerfaucon, LL. Gyrofalco, perh. Fr. L. Gyrus circle + falco falcon, and named from its circling flight; or cf. E. Gier-eagle. See Gyre, Falcon. Source: Websters Dictionary (01 Mar 1998) |
| Gerhardt's disease | Disease marked by paroxysmal, bilateral vasodilatation, particularly of the extremities, with burning pain, and increased skin temperature and redness. (12 Dec 1998) |
| Gerhardt's reaction | In fresh urine a red colour develops upon addition of FeCl3; no colour develops if the urine has first been boiled; this test has low specificity and sensitivity. Synonym: Gerhardt's reaction. (05 Mar 2000) |
| Gerhardt's sign | <clinical sign> Complete bilateral paralysis of the adductor muscles of the larynx with severe inspiratory dyspnea. Synonym: Biermer's sign. (05 Mar 2000) |
| Gerhardt's test for acetoacetic acid | In fresh urine a red colour develops upon addition of FeCl3; no colour develops if the urine has first been boiled; this test has low specificity and sensitivity. Synonym: Gerhardt's reaction. (05 Mar 2000) |
| Gerhardt's test for urobilin in the urine | The urobilin is extracted with chloroform and then treated with iodine and potassium hydrate, a fluorescent green colour being produced. (05 Mar 2000) |
| Gerhardt, Charles | <person> A French chemist, 1816-1856. See: Gerhardt's test for urobilin in the urine. (05 Mar 2000) |
| Gerhardt-Mitchell disease | Disease marked by paroxysmal, bilateral vasodilatation, particularly of the extremities, with burning pain, and increased skin temperature and redness. (12 Dec 1998) |
| Gerhardt-Semon law | <otolaryngology> An obsolete law formerly used to account for the position of an affected vocal cord or cords after injury to the recurrent laryngeal nerve or nerves. (05 Mar 2000) |
| Gerhardt. Carl | <person> A German physician, 1833-1902. See: Gerhardt's disease, Gerhardt's reaction, Gerhardt's sign, Gerhardt's test for acetoacetic acid, Gerhardt-Semon law. (05 Mar 2000) |
| geriatric | Pertaining to the treatment of the aged. (18 Nov 1997) |
| geriatric assessment | Evaluation of the level of physical, physiological, or mental functioning in the older population group. (12 Dec 1998) |
| geriatric dentistry | <specialty> The branch of dentistry concerned with the dental problems of older people. (12 Dec 1998) |
| geriatric medicine | <specialty> A specialty of medicine that is concerned with the disease and health problems of older people, usually those over 65 years of age. Considered a subspecialty of internal medicine. (05 Mar 2000) |