| poly(gamma-glutamic acid) | A polypeptide formed of glutamic acid residues, the gamma-carboxyl group of one glutamic acid being condensed to the amino group of its neighbor; occurs naturally in the anthrax bacillus capsule. (05 Mar 2000) |
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| poly(glycolic acid) | A polymer of glycolic acid, used in absorbable surgical sutures. Origin: see poly- (05 Mar 2000) |
| poly(N-acetylgalactosamine) deacetylase | <enzyme> Catalyses the hydrolyses of acetamido groups of poly(galnac); from a. Parasiticus Registry number: EC 3.5.1.- Synonym: poly(galnac) deacetylase (26 Jun 1999) |
| poly(u) | <abbreviation> Poly(uridylic acid). (05 Mar 2000) |
| poly(uridylic acid) | A homopolymer of uridylic acids. (05 Mar 2000) |
| poly-a polymerase | <enzyme> An enzyme in the nucleus of acell that adds several adenine nucleotidesto the 3' end of a primarytranscript messenger RNA. (09 Oct 1997) |
| poly-beta-glucosaminidase | <enzyme> An enzyme which breaks down chitin, which is a polysaccharide that forms the hard outer shell of arthropods (insects, spiders, crustaceans, etc.), and the cell walls of fungi, and some algae. (09 Oct 1997) |
| poly-beta-hydroxybutyrate | <biochemistry> A common storage material of prokaryotic cells consisting of a polymer of beta-hydroxybutyrate (PHB) or other beta-alkanoic acids (PHA). (09 Oct 1997) |
| poly-beta-hydroxybutyrate polymerase | <enzyme> 3rd enzyme of the poly-beta-hydroxybutyrate biosynthetic pathway in alcaligens eutrophus; acts via, an acyl s-enzyme intermediate Registry number: EC 2.3.1.- Synonym: phb polymerase, phb synthase, phac gene product, poly-beta-hydroxybutyrate synthetase (26 Jun 1999) |
| poly-mountain | <botany> Same as Poly. The closely related Teucrium montanum, formerly called Polium montanum, a plant of Southern Europe. The Bartsia alpina, a low purple-flowered herb of Europe. Source: Websters Dictionary (01 Mar 1998) |
| Polya gastrectomy | Operation in which a portion of the stomach is removed and a retrocolic gastrojejunostomy is constructed in an end-to-side fashion to the entire cut end of the stomach. Synonym: Polya's operation. (05 Mar 2000) |
| Polya's operation | Operation in which a portion of the stomach is removed and a retrocolic gastrojejunostomy is constructed in an end-to-side fashion to the entire cut end of the stomach. Synonym: Polya's operation. (05 Mar 2000) |
| Polya, Jeno | <person> Hungarian surgeon, 1876-1944. See: Polya gastrectomy, Polya's operation, Reichel-Polyastomach resection. (05 Mar 2000) |
| polyacid | <chemistry> Capable of neutralising, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; said of certain bases; as, calcium hydrate and glycerin are polyacid bases. Origin: Poly- + acid. Source: Websters Dictionary (01 Mar 1998) |
| polyacrilamide gel | A white, water-soluble, solid gel used as a gel base for electrophoresisand as a thickening or adhesive additive in other industrialapplications. (09 Oct 1997) |