| PTP | pancreatic thread protein; percutaneous transhepatic portography; physical treatment planning; poste... |
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| TMS | thalium myocardial scintigraphy; thread mate system; thymidilate synthase; trapezoidocephaly-multipl... |
| AWA | Adult worm antigen |
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| infection thread | In the formation of root nodules, a cellulosic tube through which Rhizobium cells can travel to reach and infect root cells. (09 Oct 1997) |
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| terminal thread | A long, slender connective tissue (pia mater) strand extending from the extremity of the medullary cone to the internal aspect of the spinal dural sac (filum terminale internum); stout strands of connective tissue attaching the spinal dural sac to the coccyx (filum terminale externum), commonly called the coccygeal ligament. Synonym: filum terminale, nervus impar, terminal thread. (05 Mar 2000) |
| thread | 1. A very small twist of flax, wool, cotton, silk, or other fibrous substance, drawn out to considerable length; a compound cord consisting of two or more single yarns doubled, or joined together, and twisted. 2. A filament, as of a flower, or of any fibrous substance, as of bark; also, a line of gold or silver. 3. The prominent part of the spiral of a screw or nut; the rib. See Screw. 4. Something continued in a long course or tenor; a,s the thread of life, or of a discourse. 5. Composition; quality; fineness. "A neat courtier, Of a most elegant thread." (B. Jonson) Air thread, the fine white filaments which are seen floating in the air in summer, the production of spiders; gossamer. Thread and thrum, the good and bad together. <zoology> Thread cell, the gizzard shad. See Gizzard. Thread lace, lace made of linen thread. Thread needle, a game in which children stand in a row, joining hands, and in which the outer one, still holding his neighbor, runs between the others; called also thread the needle. Origin: OE. Threed, red, AS. Rd; akin to D. Draad, G. Draht wire, thread, OHG. Drat, Icel. Rar a thread, Sw. Trad, Dan. Traad, and AS. Rawan to twist. See Throw, and cf. Third. Source: Websters Dictionary (01 Mar 1998) |
| army worm | <zoology> A lepidopterous insect, which in the larval state often travels in great multitudes from field to field, destroying grass, grain, and other crops. The common army worm of the northern United States is Leucania unipuncta. The name is often applied to other related species, as the cotton worm. The larva of a small two-winged fly (Sciara), which marches in large companies, in regular order. See Cotton worm, under Cotton. Source: Websters Dictionary (01 Mar 1998) |
| galley-worm | <zoology> A chilognath myriapod of the genus Iulus, and allied genera, having numerous short legs along the sides; a milliped or "thousand legs." See Chilognatha. Origin: Prob. So called because the numerous legs along the sides move rhythmically like the oars of a galley. Source: Websters Dictionary (01 Mar 1998) |
| Manson's eye worm | A widely distributed spiruroid nematode parasite found under the nictitating membrane in the eye of turkeys, chickens, peafowl, quail, and grouse; larvae develop to the infective stage in cockroaches. Synonym: Manson's eye worm. (05 Mar 2000) |
| meal worm | The larva of beetles of the genus Tenebrio; both larvae and adults are important pests, destroying flour, meal, and other cereal products; they are also intermediate hosts of nematodes of the genus Gongylonema, and of various tapeworms of the genus Hymenolepis. (05 Mar 2000) |
| grugru worm | <zoology> The larva or grub of a large South American beetle (Calandra palmarum), which lives in the pith of palm trees and sugar cane. It is eaten by the natives, and esteemed a delicacy. Source: Websters Dictionary (01 Mar 1998) |
| worm | 1. A creeping or a crawling animal of any kind or size, as a serpent, caterpillar, snail, or the like. "There came a viper out of the heat, and leapt on his hand. When the men of the country saw the worm hang on his hand, they said, This man must needs be a murderer." (Tyndale (Acts xxviii. 3, 4)) "'T is slander, Whose edge is sharper than the sword, whose tongue Outvenoms all the worms of Nile." (Shak) "When Cerberus perceived us, the great worm, His mouth he opened and displayed his tusks." (Longfellow) 2. Any small creeping animal or reptile, either entirely without feet, or with very short ones, including a great variety of animals; as, an earthworm; the blindworm. <zoology> Specifically: Any helminth; an entozoon. Any annelid. An insect larva. Same as Vermes. 3. An internal tormentor; something that gnaws or afflicts one's mind with remorse. "The worm of conscience still begnaw thy soul!" (Shak) 4. A being debased and despised. "I am a worm, and no man." (Ps. Xxii. 6) 5. Anything spiral, vermiculated, or resembling a worm; as: The thread of a screw. "The threads of screws, when bigger than can be made in screw plates, are called worms." (Moxon) A spiral instrument or screw, often like a double corkscrew, used for drawing balls from firearms. <anatomy> A short revolving screw, the threads of which drive, or are driven by, a worm wheel by gearing into its teeth or cogs. <medicine> Worm abscess A worm wheel. Worm gearing. Worm gearing, gearing consisting of a worm and worm wheel working together. Worm grass. <botany> A tincture prepared from dried earthworms, oil of tartar, spirit of wine, etc. Worm wheel, a cogwheel having teeth formed to fit into the spiral spaces of a screw called a worm, so that the wheel may be turned by, or may turn, the worm; called also worm gear, and sometimes tangent wheel. Origin: OE. Worm, wurm, AS. Wyrm; akin to D. Worm, OS. & G. Wurm, Icel. Ormr, Sw. & Dan. Orm, Goth. Waorms, L. Vermis, Gr. A wood worm. Cf. Vermicelli, Vermilion, Vermin. Source: Websters Dictionary (01 Mar 1998) |
| worm abscess | Abscess due to parasitic worms or in which worms are found. Synonym: verminous abscess. (05 Mar 2000) |
| worm aneurysm | An aneurysm in horses caused by Strongylus vulgaris larvae; usually involving the mesenteric arteries. Synonym: worm aneurysm. (05 Mar 2000) |
| worm bark | The bark of Andira inermis, a leguminous tree of tropical America, used as an emetic, purgative, and anthelmintic. Synonym: cabbage tree, worm bark. Origin: West Indian native name (05 Mar 2000) |
| worm burden | <epidemiology> The number of worms an individual host carries. Sometimes directly measurable ( Ascaris ), sometimes only indirectly (schistosomiasis). (05 Dec 1998) |
| Worm, Ole | <person> Danish anatomist, 1588-1654. See: wormian bones. (05 Mar 2000) |
| worm-shell | <zoology> Any species of Vermetus. Source: Websters Dictionary (01 Mar 1998) |
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