| PLMV | posterior leaf mitral valve |
|---|---|
| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |
| ABS | abdominal surgery; acute brain syndrome; Adaptive Behavior Scale; admitting blood sugar; adult bovin... |
| BD | barbital-dependent; barbiturate dependence; base deficit; base of prism down; basophilic degeneratio... |
| BO | Bachelor of Osteopathy; base of prism out; behavior objective; belladonna and opium; body odor; bowe... |
| TYLCV | Tomato yellow leaf curl virus |
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| belladonna | <botany> An herbaceous European plant (Atropa belladonna) with reddish bell-shaped flowers and shining black berries. The whole plant and its fruit are very poisonous, and the root and leaves are used as powerful medicinal agents. Its properties are largely due to the alkaloid atropine which it contains. Called also deadly nightshade. A species of Amaryllis (A. Belladonna); the belladonna lily. Origin: It, literally fine lady; bella beautiful + donna lady. Source: Websters Dictionary (01 Mar 1998) |
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| belladonna alkaloid | Atropine and related alkaloids which are anticholinergic. (27 Sep 1997) |
| belladonna alkaloids | Alkaloids obtained from various plants, especially the deadly nightshade (atropa belladonna), variety acuminata; atropine, hyoscyamine and scopolamine are classical, specific antimuscarinic agents with many pharmacologic actions; used mainly as antispasmodics. (12 Dec 1998) |
| belladonna extract | A powdered extract from the leaves and/or roots of Atropa belladonna; used to formulate various pharmaceutical dosage forms. Contains the alkaloids of belladonna (atropine and scopolamine) and has been used in the treatment of ulcers, diarrhoea, and parkinsonism. (05 Mar 2000) |
| belladonna ophthalmologic | Medications instilled into the eye that result in dilation of the pupil. A common example is homatropine eye drops. (27 Sep 1997) |
| belladonna tincture | A green hydroalcoholic mobile liquid containing the alkaloids atropine and scopolamine and other substances extracted from the leaves of Atropa belladonna, the botanical source for these anticholinergic drugs. The tincture allows for gradual titration of dose by counting drops of the preparation ingested. Formerly widely used in ulcer therapy or the symptomatic treatment of diarrhoea, alone or in combination with antacids and insoluble clays. (05 Mar 2000) |
| bay leaf | See Bay. Source: Websters Dictionary (01 Mar 1998) |
| cedar leaf oil | Oil obtained by steam distillation from the fresh leaves of Thuja occidentalis; used as an insect repellent and counterirritant, and in perfumery. Synonym: thuja oil. (05 Mar 2000) |
| helminthosporium leaf spot | A plant disease affecting some grasses which is caused by parasitic fungi from the genus Helminthosporium and which appears as discoloured spots. (09 Oct 1997) |
| strip-leaf | Tobacco which has been stripped of its stalks before packing. Source: Websters Dictionary (01 Mar 1998) |
| five-leaf | Cinquefoil; five-finger. Source: Websters Dictionary (01 Mar 1998) |
| leaf | To shoot out leaves; to produce leaves; to leave; as, the trees leaf in May. Origin: OE. Leef, lef, leaf, AS. Leaf; akin to S. Lf, OFries. Laf, D. Loof foliage, G. Laub,OHG. Loub leaf, foliage, Icel. Lauf, Sw. Lof, Dan. Lov, Goth. Laufs; cf. Lith. Lapas. Cf. Lodge. 1. <botany> A coloured, usually green, expansion growing from the side of a stem or rootstock, in which the sap for the use of the plant is elaborated under the influence of light; one of the parts of a plant which collectively constitute its foliage. Such leaves usually consist of a blade, or lamina, supported upon a leafstalk or petiole, which, continued through the blade as the midrib, gives off woody ribs and veins that support the cellular texture. The petiole has usually some sort of an appendage on each side of its base, which is called the stipule. The green parenchyma of the leaf is covered with a thin epiderm pierced with closable microscopic openings, known as stomata. 2. <botany> A special organ of vegetation in the form of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril. In this view every part of a plant, except the root and the stem, is either a leaf, or is composed of leaves more or less modified and transformed. 3. Something which is like a leaf in being wide and thin and having a flat surface, or in being attached to a larger body by one edge or end; as: A part of a book or folded sheet containing two pages upon its opposite sides. A side, division, or part, that slides or is hinged, as of window shutters, folding doors, etc. The movable side of a table. A very thin plate; as, gold leaf. A portion of fat lying in a separate fold or layer. One of the teeth of a pinion, especially when small. <zoology> Leaf beetle, any beetle which feeds upon leaves; especially, any species of the family Chrysomelidae, as the potato beetle and helmet beetle. Leaf bridge, a draw-bridge having a platform or leaf which swings vertically on hinges. <botany> Leaf bud, a sawfiy. To turn over a new leaf, to make a radical change for the better in one's way of living or doing. " They were both determined to turn over a new leaf." (Richardson) Source: Websters Dictionary (01 Mar 1998) |
| leaf blight | Any of various diseases which lead to the browning and dropping of a plant's leaves. (09 Oct 1997) |
| leaf-footed | <zoology> Having leaflike expansions on the legs; said of certain insects; as, the leaf-footed bug (Leptoglossus phyllopus). Source: Websters Dictionary (01 Mar 1998) |
| leaf-nosed | <zoology> Having a leaflike membrane on the nose; said of certain bats, especially. Of the genera Phyllostoma and Rhinonycteris. See Vampire. Source: Websters Dictionary (01 Mar 1998) |
| belladonna leaf |
Powder from the dried leaf and flowering top of Atropa belladonna Linn? or A. belladonna acuminata. An anticholinergic agent, it is used generally in tincture form though the dry extract in tablet form may be used.
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