| Luc's operation | An intraoral procedure for opening into the maxillary antrum through the supradental (canine) fossa above the maxillary premolar teeth. Synonym: intraoral antrostomy, Luc's operation. (05 Mar 2000) |
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| Luc, Henri | <person> French laryngologist, 1855-1925. See: Luc's operation, Caldwell-Luc operation, Ogston-Luc operation. (05 Mar 2000) |
| lucanthone | <chemical> Schistosomicide formerly given orally. Its use has been replaced largely by hycanthone and more recently praziquantel. Pharmacological action: schistosomicides. Chemical name: 9H-Thioxanthen-9-one, 1-((2-(diethylamino)ethyl)amino)-4-methyl- (12 Dec 1998) |
| lucanthone hydrochloride | 1,2'-Diethylaminoethylamino-4-methylthiaxanthone hydrochloride;used in the treatment of urinary schistosomiasis (Schistosoma haematobium) and intestinal schistosomiasis (S. Mansoni). (05 Mar 2000) |
| Lucas' groove | A faint groove occasionally caused by the chorda tympani nerve on the spine of the sphenoid. Synonym: Lucas' groove, sulcus spinosus. (05 Mar 2000) |
| Lucas, Richard | <person> An English anatomist and surgeon, 1846-1915. See: Lucas' groove. (05 Mar 2000) |
| luce | <marine biology> A pike when full grown. Origin: OF. Lus, L. Lucius a kind of fish. Source: Websters Dictionary (01 Mar 1998) |
| lucensomycin | <chemical> Antifungal antibiotic isolated from cultures of streptomyces lucensis. Pharmacological action: antibiotics, antifungal, antibiotics, macrolide. Chemical name: Lucensomycin (12 Dec 1998) |
| lucent | Bright; clear; translucent. Origin: L. Lucere, to shine (05 Mar 2000) |
| lucern | 1. A sort of hunting dog; perhaps from Lucerne, in Switzerland. "My lucerns, too, or dogs inured to hunt Beasts of most rapine." (Chapman) 2. An animal whose fur was formerly much in reqest (by some supposed to be the lynx). Alternative forms: lusern and luzern] "The polecat, mastern, and the richskinned lucern I know to chase." (Beau. & Fl) Origin: Etymology uncertain. <botany> A leguminous plant (Medicago sativa), having bluish purple cloverlike flowers, cultivated for fodder. Synonym: alfalfa. Alternative forms: lucerne. Origin: F. Luzerne. Source: Websters Dictionary (01 Mar 1998) |
| lucernal | Of or pertaining to a lamp. Lucernal microscope, a form of the microscope in which the object is illuminated by means of a lamp, and its image is thrown upon a plate of ground glass connected with the instrument, or on a screen independent of it. Origin: L. Lucerna a lamp. Source: Websters Dictionary (01 Mar 1998) |
| lucernaria | <zoology> A genus of acalephs, having a bell-shaped body with eight groups of short tentacles around the margin. It attaches itself by a sucker at the base of the pedicel. Origin: NL, fr. L. Lucerna a lamp. Source: Websters Dictionary (01 Mar 1998) |
| lucernarian | <zoology> Of or pertaining to the Lucernarida. One of the Lucernarida. Source: Websters Dictionary (01 Mar 1998) |
| lucernarida | <zoology> A division of acalephs, including Lucernaria and allied genera; called also Calycozoa. A more extensive group of acalephs, including both the true lucernarida and the Discophora. Origin: NL. See Lucernaria. Source: Websters Dictionary (01 Mar 1998) |
| lucerne | <botany> See Lucern, the plant. Source: Websters Dictionary (01 Mar 1998) |
| Caldwell-Luc operation | An intraoral procedure for opening into the maxillary antrum through the supradental (canine) fossa above the maxillary premolar teeth. Synonym: intraoral antrostomy, Luc's operation. (05 Mar 2000) |
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| Ogston-Luc operation | An operation for frontal sinus disease; a skin incision is made from the inner third of the edge of the orbit toward the root of the nose or outward; the periosteum is pushed upward and outward, and the sinus is opened on the outer side of the median line; then a wide opening is made by curetting the nasofrontal duct, interior of the sinus, and anterior ethmoid cells. (05 Mar 2000) |
| Lemli, Luc | <person> 20th century U.S. Paediatrician. See: Smith-Lemli-Opitz syndrome. (05 Mar 2000) |