| thorn | <plant biology> A modified plant organ, especially a stem, that is stiffened and terminates in a sharp point. (09 Oct 1997) |
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| thorn apple | datura stramonium |
| thorn apple crystals | Ammonium urate crystal's in the shape of rounded bodies with many projecting points. (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) |
| 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, 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) |
| thornback | 1. <zoology> A European skate (Raia clavata) having thornlike spines on its back. 2. <zoology> The large European spider crab or king crab (Maia squinado). Source: Websters Dictionary (01 Mar 1998) |
| thornbill | <ornithology> Any one of several species of small, brilliantly coloured American birds of the genus Rhamphomicron. They have a long, slender, sharp bill, and feed upon honey, insects, and the juice of the sugar cane. Source: Websters Dictionary (01 Mar 1998) |
| thornbird | <ornithology> A small South American bird (Anumbius anumbii) allied to the ovenbirds of the genus Furnarius). It builds a very large and complex nest of twigs and thorns in a bush or tree. Source: Websters Dictionary (01 Mar 1998) |
| thornbut | <zoology> The turbot. Origin: Thorn + -but as in halibut; cf. G. Dornbutt. Source: Websters Dictionary (01 Mar 1998) |
| thorntail | <zoology> A beautiful South American humming bird (Gouldia Popelairii), having the six outer tail feathers long, slender, and pointed. The head is ornamented with a long, pointed crest. Source: Websters Dictionary (01 Mar 1998) |
| Thornwaldt | Gustavus Ludwig. See: Tornwaldt. (05 Mar 2000) |
| thorny | 1. Full of thorns or spines; rough with thorns; spiny; as, a thorny wood; a thorny tree; a thorny crown. 2. Like a thorn or thorns; hence, figuratively, troublesome; vexatious; harassing; perplexing. "The thorny point of bare distress." "The steep and thorny way to heaven. <botany>" (Shak) Thorny rest-harrow, rest-harrow. Thorny trefoil, a prickly plant of the genus Fagonia (F. Cretica, etc). Origin: Cf. AS. Thorniht. Source: Websters Dictionary (01 Mar 1998) |
| but-thorn | <zoology> The common European starfish (Asterias rubens). Source: Websters Dictionary (01 Mar 1998) |
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| 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 apple |
any of several plants of the genus Datura
Ãâó: wordnet.princeton.edu/perl/webwn
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| Thorndike |
English actress (1882-1976) United States educational psychologist (1874-1949)
Ãâó: wordnet.princeton.edu/perl/webwn
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| thorn a. |
1. Datura stramonium. 2. stramonium (def. 2).
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| thorn apple c.’s |
yellow or reddish brown spheres of ammonium urate which are covered with sharp spicules or prisms, as found in the urine.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| Thorn s. |
salt-losing nephropathy.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| thorn | something that causes irritation and annoyance |
|---|---|
| thorn | a Germanic character of runic origin |
| thorn | a sharp-pointed tip on a stem or leaf |
| thorn | any of several plants of the genus Datura |
| thorn | any of various South American hummingbirds with a sharp pointed bill |
| thorn | United States educational psychologist (1874-1949) |
| thorn | English actress (1882-1976) |
| thorn | having no thorns |
| thorn | American architect (1759-1828) |
| thorn | United States writer and dramatist (1897-1975) |
| thorn | United States writer and dramatist (1897-1975) |
| thorn | having or covered with protective barbs or quills or spines or thorns etc. |
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