| polyprenyl-4-hydroxybenzoate carboxylase | <enzyme> Involved in polyprenylphenol synthesis; implicated in flagellation of salmonella typhimurium Registry number: EC 4.1.1.- Synonym: ppphb carboxylase, polyprenyl-p-hydroxybenzoate carboxylase (26 Jun 1999) |
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| polypropylenes | Propylene or propene polymers. Thermoplastics that can be extruded into fibres, films or solid forms; used as copolymer in plastics, especially polyethylene; the fibres are used for fabrics, filters, surgical sutures, etc. Synonym: herculon; hostalen; moplen; noblen; polypro; prolene. (12 Dec 1998) |
| polyprotein | <protein> Protein that, after synthesis, is cleaved to produce several functionally distinct polypeptides. Some viruses produce such proteins and some polypeptide hormones seem to be cleaved from a single precursor polyprotein (pro opimelanocortin, for example). (18 Nov 1997) |
| polyprotodonta | <zoology> A division of marsupials in which there are more fore incisor teeth in each jaw. Origin: NL, fr. Gr. Many + first +, tooth. Source: Websters Dictionary (01 Mar 1998) |
| polyps | A general descriptive term used with reference to any mass of tissue that bulges or projects outward or upward from the normal surface level, thereby being macroscopically visible as a hemispheroidal, spheroidal, or irregular moundlike structure growing from a relatively broad base or a slender stalk. Classically applied to a growth on the mucous membrane of the nose, the term is now applied to such protrusions from any mucous membrane. (12 Dec 1998) |
| polypsis of the colon | Multiple polyps with a high malignant potential in large bowel. This hereditary condition is also known as polypsis coli and familial adenomatous polyposis. (12 Dec 1998) |
| polypteroidei | <zoology> A suborder of existing ganoid fishes having numerous fins along the back. The bichir, or Polypterus, is the type. Origin: NL. See Polypterus, and -oid. Source: Websters Dictionary (01 Mar 1998) |
| polypterus | <zoology> An African genus of ganoid fishes including the bichir. Origin: NL, fr. Gr. Many + feather, wing. Source: Websters Dictionary (01 Mar 1998) |
| polyptoton | A figure by which a word is repeated in different forms, cases, numbers, genders, etc, as in Tennyson's line, "My own heart's heart, and ownest own, farewell." Origin: L, fr. Gr. Having, or being in, many cases; many + case. Source: Websters Dictionary (01 Mar 1998) |
| polyptychial | Folded or arranged so as to form more than one layer. Origin: G. Polyptychos, having many folds or layers, fr. Poly-+ ptyche, fold or layer (05 Mar 2000) |
| polypus | Origin: L. See Polyp. 1. <zoology> Same as Polyp. 2. <medicine> A tumour, usually with a narrow base, somewhat resembling a pear, found in the nose, uterus, etc, and produced by hypertrophy of some portion of the mucous membrane. Source: Websters Dictionary (01 Mar 1998) |
| polypeptidemia |
(poly
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| polyperiostitis |
(poly
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| polyphalangia |
(poly
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| polypharmaceutic |
(poly
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| polyphase |
(poly
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