| thorn apple crystals | Ammonium urate crystal's in the shape of rounded bodies with many projecting points. (05 Mar 2000) |
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| thorn apple | datura stramonium |
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| but-thorn | <zoology> The common European starfish (Asterias rubens). Source: Websters Dictionary (01 Mar 1998) |
| glasstonbury thorn | <botany> A variety of the common hawthorn. Source: Websters Dictionary (01 Mar 1998) |
| willow-thorn | <botany> A thorny European shrub (Hippophae rhamnoides) resembling a willow. Source: Websters Dictionary (01 Mar 1998) |
| thorn | <plant biology> A modified plant organ, especially a stem, that is stiffened and terminates in a sharp point. (09 Oct 1997) |
| Thorn, George | <person> U.S. Physician, *1906. See: Thorn test, Thorn's syndrome. (05 Mar 2000) |
| thorn-headed | Having a head armed with thorns or spines. <zoology> Thorn-headed worm, any worm of the order Acanthocephala. Synonym: thornhead. Source: Websters Dictionary (01 Mar 1998) |
| Thorn's syndrome | A rare disorder resulting from renal tubular damage of a variety of aetiologies; mimics adrenocortical insufficiency in that abnormal renal loss of sodium chloride occurs, accompanied by hyponatraemia, azotemia, acidosis, dehydration, and vascular collapse. Synonym: salt-losing syndrome, Thorn's syndrome. (05 Mar 2000) |
| Thorn test | A putative test of adrenal cortical function; stimulation of a normally functioning adrenal cortex by the adrenocorticotrophic hormone is followed by a reduction in the number of circulating eosinophils and lymphocytes and an increase in the excretion of uric acid. The test lacks sufficient specificity and is rarely used. (05 Mar 2000) |
| adam's apple | This familiar feature in front of the neck is due to forward protrusion of the largest cartilage of the larynx. It takes its name from the story that a piece of the forbidden fruit stuck in Adam's throat. (12 Dec 1998) |
| apple | 1. The fleshy pome or fruit of a rosaceous tree (Pyrus malus) cultivated in numberless varieties in the temperate zones. The European crab apple is supposed to be the original kind, from which all others have sprung. 2. <botany> Any tree genus Pyrus which has the stalk sunken into the base of the fruit; an apple tree. 3. Any fruit or other vegetable production resembling, or supposed to resemble, the apple; as, apple of love, or love apple (a tomato), balsam apple, egg apple, oak apple. 4. Anything round like an apple; as, an apple of gold. Apple is used either adjectively or in combination; as, apple paper or apple-paper, apple-shaped, apple blossom, apple dumpling, apple pudding. Apple blight, an aphid which injures apple trees. See Blight, Apple borer, the larva of a small moth (Carpocapsa pomonella) which burrows in the interior of apples. See Codling moth. Dead Sea Apple. Apples of Sodom. Also Fig. "To seek the Dead Sea apples of politics." . A kind of gallnut coming from Arabia. See Gallnut. Origin: OE. Appel, eppel, AS. Aeppel, aepl; akin to Fries. & D. Appel, OHG, aphul, aphol, G. Apfel, Icel. Epli, Sw. Aple, Dan. Aeble, Gael. Ubhall, W. Afal, Arm. Aval, Lith. Oblys, Russ. Iabloko; of unknown origin. Source: Websters Dictionary (01 Mar 1998) |
| apple domain | <molecular biology> A consensus sequence, composed of 90 amino acids including 6 cysteines, that forms a characteristic, vaguely apple shaped, pattern via disulphide bridges. Shared by plasma kallikrein and coagulation factor XI, both serine proteases. (18 Nov 1997) |
| apple jelly nodules | Descriptive term for the papular lesions of lupus vulgaris, as they appear on diascopy. (05 Mar 2000) |
| apple oil | Isoamyl isovalerate;used as a sedative; formerly used in the treatment of gallstones because of its solvent action on cholesterol. Synonym: apple oil. (05 Mar 2000) |
| bitter apple | The peeled dried fruit of Citrullus colcynthis (family Cucurbitaceae), an herb of the sandy shores of the Mediterranean, resembling somewhat the watermelon plant; formerly widely used as a cathartic and laxative. Synonym: bitter apple. Origin: G. Kolokynthe, the round gourd or pumpkin (05 Mar 2000) |