| Lisch nodule | Iris hamartomas typically seen in type 1 neurofibromatosis. Synonym: Sakurai-Lisch nodule. (05 Mar 2000) |
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| Lisch, Karl | <person> Austrian ophthalmologist, *1907. See: Lisch nodule. (05 Mar 2000) |
| lisfranc fracture-dislocation | <radiology> Tarsal-metatarsal fracture-dislocation, trauma, diabetes (neuropathic) (12 Dec 1998) |
| Lisfranc's amputation | Amputation of the foot at the tarsometatarsal joint, the sole being preserved to make the flap. Synonym: Lisfranc's operation. (05 Mar 2000) |
| Lisfranc's joints | The three synovial joints between the tarsal and metatarsal bones, consisting of a medial joint between the first cuneiform and first metatarsal, an intermediate joint between the second and third cuneiforms and corresponding metatarsals, and a lateral joint between the cuboid and fourth and fifth metatarsals. Synonym: articulationes tarsometatarseae, cuneometatarsal joints, Lisfranc's joints. (05 Mar 2000) |
| Lisfranc's ligaments | Ligaments that pass from the cuneiform bones to the metatarsals, the one from the first cuneiform to the second metatarsal being the strongest. Synonym: ligamenta cuneometatarsalia interossea, Lisfranc's ligaments. (05 Mar 2000) |
| Lisfranc's operation | Amputation of the foot at the tarsometatarsal joint, the sole being preserved to make the flap. Synonym: Lisfranc's operation. (05 Mar 2000) |
| Lisfranc's tubercle | A small spine on the inner edge of the first rib, giving attachment to the scalenus anterior muscle. Synonym: tuberculum musculi scaleni anterioris, Lisfranc's tubercle, scalene tubercle of Lisfranc, tubercle of anterior scalene muscle. (05 Mar 2000) |
| Lisfranc, Jacques | <person> French surgeon, 1790-1847. See: Lisfranc's amputation, Lisfranc's joints, Lisfranc's ligaments, Lisfranc's operation, scalene tubercle of Lisfranc. (05 Mar 2000) |
| lisinopril | <chemical> (s)-1-(n(2)-(1-carboxy-3-phenylpropyl)-l-lysyl)-l-proline dihydrate. An orally active angiotensin-converting enzyme inhibitor that has been used in the treatment of hypertension and congestive heart failure. Pharmacological action: cardiotonic agent, antihypertensive agents, angiotensin-converting enzyme inhibitors. Chemical name: L-Proline, 1-(N2-(1-carboxy-3-phenylpropyl)-L-lysyl)-, dihydrate, (S)- (12 Dec 1998) |
| Lison, Lucien | <person> Belgian scientist, *1907. See: Lison-Dunn stain. (05 Mar 2000) |
| Lison-Dunn stain | <technique> A technique using leuco patent blue V and hydrogen peroxidase to demonstrate haemoglobin peroxidase on time sections and smears. (05 Mar 2000) |
| lisping | Mispronunciation of the sibilants s and z. Synonym: parasigmatism, sigmatism. (05 Mar 2000) |
| lissamine green dyes | Green dyes containing ammonium and aryl sulfonate moieties that facilitate the visualization of tissues, if given intravenously. They have mostly been used in the study of kidney physiology. (12 Dec 1998) |
| lissamine rhodamine B 200 | C27H29N207S2Na;a xanthene dye derivative, a fluorochrome used for tagging proteins by a sulfamido condensation; employed in immuno-fluorescence alone or in combination with fluorescein isothiocyanate for the simultaneous microscopic detection of two antigens in contrasting red and green colours. Synonym: lissamine rhodamine B 200. (05 Mar 2000) |
| fleur-de-lis | Origin: F, flower of the lily. Cf. Flower-de-luce, Lily. 1. <botany> The iris. See Flower-de-luce. 2. A conventional flower suggested by the iris, and having a form which fits it for the terminal decoration of a scepter, the ornaments of a crown, etc. It is also a heraldic bearing, and is identified with the royal arms and adornments of France. Source: Websters Dictionary (01 Mar 1998) |
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