| ita palm | <botany> A magnificent species of palm (Mauritia flexuosa), growing near the Orinoco. The natives eat its fruit and buds, drink its sap, and make thread and cord from its fibre. Source: Websters Dictionary (01 Mar 1998) |
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| itacolumite | <chemical> A laminated, granular, siliceous rocks, often occurring in regions where the diamond is found. Origin: From Itacolumi, a mountain of Brazil. Source: Websters Dictionary (01 Mar 1998) |
| itaconic | <chemistry> Pertaining to, or designating, an acid, C5H6O4, which is obtained as a white crystalline substance by decomposing aconitic and other organic acids. Origin: From aconitic, by transposition of the letters. Source: Websters Dictionary (01 Mar 1998) |
| itaconic acid | CH2==C(COOH)CH2COOH;the decarboxylation product of cis-aconitic acid. Synonym: methylenesuccinic acid. (05 Mar 2000) |
| Itai-Itai disease | A form of cadmium poisoning described in Japanese people, characterised by renal tubular dysfunction, osteomalacia, pseudofractures, and anaemia, caused by ingestion of contaminated shellfish or other sources containing cadmium. (05 Mar 2000) |
| Italian flap | Flap from a distant area; usually used in reference to a flap from the upper arm to rebuild a nose. (05 Mar 2000) |
| Italian method | Italian method rhinoplasty utilizing a flap from the arm. Synonym: Italian method, Italian operation, tagliacotian operation. (05 Mar 2000) |
| Italian operation | Italian method rhinoplasty utilizing a flap from the arm. Synonym: Italian method, Italian operation, tagliacotian operation. (05 Mar 2000) |
| Italian rhinoplasty | Italian method rhinoplasty utilizing a flap from the arm. Synonym: Italian method, Italian operation, tagliacotian operation. (05 Mar 2000) |
| itch | 1. To have an uneasy sensation in the skin, which inclines the person to scratch the part affected. "My mouth hath itched all this long day." (Chaucer) 2. To have a constant desire or teasing uneasiness; to long for; as, itching ears. "An itching palm." Origin: OE. Icchen, icchen, AS. Giccan; akin to D. Jeuken, joken, G. Jucken, OHG. Jucchen. 1. <medicine> An eruption of small, isolated, acuminated vesicles, produced by the entrance of a parasitic mite (the Sarcoptes scabei), and attended with itching. It is transmissible by contact. 2. Any itching eruption. 3. A sensation in the skin occasioned (or resembling that occasioned) by the itch eruption; called also scabies, psora, etc. 4. A constant irritating desire. "An itch of being thought a divine king." (Dryden) Baker's itch. See Baker. Barber's itch, sycosis. Bricklayer's itch, an eczema of the hands attended with much itching, occurring among bricklayers. Grocer's itch, an itching eruption, being a variety of eczema, produced by the sugar mite (Tyrogluphus sacchari). Itch insect Same as Itch insect, above. Also, other similar mites affecting the lower animals, as the horse and ox. Sugar baker's itch, a variety of eczema, due to the action of sugar upon the skin. Washerwoman's itch, eczema of the hands and arms, occurring among washerwomen. Source: Websters Dictionary (01 Mar 1998) |
| itching | Medically known as pruritis. Something that is itchy is pruritic. (12 Dec 1998) |
| iter | <anatomy> A passage; especially, the passage between the third and fourth ventricles in the brain; the aqueduct of Sylvius. Origin: L. See Eyre. Source: Websters Dictionary (01 Mar 1998) |
| iter a tertio ad quartum ventriculum | An ependymal-lined canal in the mesencephalon about 20 mm long, connecting the third to the fourth ventricle. Synonym: aqueductus cerebri, aqueduct of cerebrum, aqueductus sylvii, iter a tertio ad quartum ventriculum, sylvian aqueduct. (05 Mar 2000) |
| iter chordae anterius | <anatomy> A canal in the petrotympanic or glaserian fissure, near its posterior edge, through which the chorda tympani nerve issues from the skull. Synonym: Civinini's canal, Huguier's canal, iter chordae anterius. (05 Mar 2000) |
| iter chordae posterius | A canal leading from the facial canal to the tympanic cavity through which the chorda tympani nerve enters this cavity. Synonym: canaliculus chordae tympani, iter chordae posterius, small canal of chorda tympani. (05 Mar 2000) |