| CR Length | Crown to Rump Length |
|---|---|
| CRL | Crown-Rump Length |
| AlCr | aluminum crown |
| CCEI | Crown-Crisp Experimental Index |
| CH | case history; Chediak-Higashi [syndrome]; chiasma; Chinese hamster; chloral hydrate; cholesterol; Ch... |
| PFM | Porcelain-fused-to-metal |
|---|---|
| ALL-Trans RA | ALL-Trans Retinoic acid |
| C ALL | Common ALL |
| T-ALL | T cell ALL |
| CCEI | Crown Crisp Experiential Index |
| M'Dowel | Benjamin G., Irish anatomist, 1829-1885. See: frenulum of M'Dowel. (05 Mar 2000) |
|---|---|
| dowel | 1. <mechanics> A pin, or block, of wood or metal, fitting into holes in the abutting portions of two pieces, and being partly in one piece and partly in the other, to keep them in their proper relative position. 2. A piece of wood driven into a wall, so that other pieces may be nailed to it. Dowel joint, a joint secured by a dowel or dowels. Dowel pin, a dowel. See Dowel. Origin: Cf. G. Dobel peg, F. Douelle state of a cask, surface of an arch, douille socket, little pipe, cartridge. (04 Mar 1998) |
| frenulum of M'Dowel | Tendinous fasciculi passing from the tendon of the pectoralis major muscle across the bicipital groove. (05 Mar 2000) |
| porcelain | <botany> Purslain. A fine translucent or semitransculent kind of earthenware, made first in China and Japan, but now also in Europe and America; called also China, or China ware. "Porcelain, by being pure, is apt to break." (Dryden) Ivory porcelain, porcelain with a surface like ivory, produced by depolishing. See Depolishing. Porcelain clay. See Clay. <zoology> Porcelain crab, a cowry. Origin: F. Porcelaine, It. Porcellana, orig, the porcelain shell, or Venus shell (Cypraea porcellana), from a dim. Fr. L. Porcus pig, probably from the resemblance of the shell in shape to a pig's back. Porcelain was called after this shell, either on account of its smoothness and whiteness, or because it was believed to be made from it. See Pork. Source: Websters Dictionary (01 Mar 1998) |
| porcelain gallbladder | <radiology> Calcium incrustation of gallbladder wall, 0.6-0.8% of cholecystectomy patients, 80% female, 10-20% develop gallbladder carcinoma, 90% associated with gallstones findings: nonfunctioning gallbladder on oral cholecystogram, highly echogenic shadowing curvilinear sturucture in the gallbladder fossa (Differential diagnosis: stone-filled contracted gall bladder), echogenic gallbladder wall with little acoustic shadowing (Differential diagnosis: emphysematous cholecystitis), scattered irregular clumps of echoes with posterior acoustic shadowing (12 Dec 1998) |
| porcelain inlay | A fused porcelain restoration luted in a cavity prepared in a tooth. (05 Mar 2000) |
| dental porcelain | <chemical> A type of porcelain used in dental restorations, either jacket crowns or inlays, artificial teeth, or metal-ceramic crowns. It is essentially a mixture of particles of feldspar and quartz, the feldspar melting first and providing a glass matrix for the quartz. Dental porcelain is produced by mixing ceramic powder (a mixture of quartz, kaolin, pigments, opacifiers, a suitable flux, and other substances) with distilled water. Chemical name: Dental materials and fillings, porcelain (12 Dec 1998) |
| ALL | <haematology> A rapidly progressing cancer of the blood affecting the type of white blood cell known as lymphocytes. Approximately 650 new cases are diagnosed every year in the UK and it is the most common form of childhood leukaemia. Acronym: ALL Origin: Gr. Haima = blood (11 Nov 1997) |
| all or none | Consistently total response to any effective stimulus. Synonym: all or none law. (05 Mar 2000) |
| all or none law | Consistently total response to any effective stimulus. Synonym: all or none law. (05 Mar 2000) |
| all-or-nothing phenomenon | <physiology> Refers to the phenomenon where the strength of a nerve impulse is not dependent on the strength of the stimulus. Instead, there is a threshold level of stimulus strength that must be reached before the nerve will fire an impulse (at full capacity). Below the threshold, the nerve will not fire at all. <cardiology> It also refers to the same phenomenon observed in the heart muscle, which will either contract fully or not at all. <psychology> In studies of behaviour, it refers to the same phenomenon where a behavioural stimulus will either produce a complete response or no response at all. Also called all-or-nothing principle, all-or-none law, all-or-none responsiveness, etc. (15 Nov 1997) |
| all souls' day | The second day of November; a feast day of the Roman Catholic church, on which supplications are made for the souls of the faithful dead. Source: Websters Dictionary (01 Mar 1998) |
| all-trans-retinal | The orange retinaldehyde resulting from the action of light on the rhodopsin of the retina, which converts the 11-cis-retinal component of the rhodopsin to all-trans-retinal plus opsin. Synonym: trans-retinal, visual yellow. (05 Mar 2000) |
| stains-all | 4,5,4',5'-Dibenzo-3,3'-diethyl-9-methylthiocarbocyanine bromide;a dye that stains phosphoproteins blue, proteins red, nucleic acids purple, and mucoproteins and mucopolysaccharides various colours on acrylamide gels; also used on tissue sections. (05 Mar 2000) |
| anatomical crown | The portion of a tooth covered with enamel. Synonym: corona dentis, anatomical crown. (05 Mar 2000) |
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