| penthienate bromide | 2-Diethylaminoethyl-alpha-cyclopentyl-2-thiopheneglycolate methylbromide;an anticholinergic agent. (05 Mar 2000) |
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| pentifylline | 1-Hexyltheobromine;a vasodilator; has more lipid solubility than theobromine. (05 Mar 2000) |
| pentine | <chemistry> An unsaturated hydrocarbon, C5H8, of the acetylene series. Same as Valerylene. See: Penta-. Source: Websters Dictionary (01 Mar 1998) |
| pentitol | A reduced pentose; e.g., ribitol, lyxitol, xylitol. (05 Mar 2000) |
| pentobarbital | <drug> An anticonvulsant and anaesthetic, usually used as the sodium or calcium salt. (18 Nov 1997) |
| pentoic | <chemistry> Pertaining to, or desingating, an acid (called also valeric acid) derived from pentane. See: Penta-. Source: Websters Dictionary (01 Mar 1998) |
| pentolinium tartrate | <chemical> A nicotinic antagonist that has been used as a ganglionic blocking agent in hypertension. Pharmacological action: antihypertensive agents, ganglionic blockers, nicotinic antagonists. Chemical name: Pyrrolidinium, 1,1'-(1,5-pentanediyl)bis(1-methyl-, salt with (R-(R*,R*))-2,3-dihydroxybutanedioic acid (1:2) (12 Dec 1998) |
| penton | The pentagonal capsomere (p. Base) along with the protruding fibre at each of the 12 vertices of the adenovirus capsid; antigenically, the penton base differs from the fibre, and both differ from the other (hexagonal) capsomeres. (05 Mar 2000) |
| penton base | <chemical> Human adenovirus capsid component Synonym: adenovirus penton base protein, penton, penton base protein, type II avian adenovirus, penton, adenovirus, avian (26 Jun 1999) |
| pentone | <chemistry> Same as Valylene. See: Penta-. Source: Websters Dictionary (01 Mar 1998) |
| pentosan | A poly-or oligosaccharide of a pentose; e.g., arabans, xylans. (05 Mar 2000) |
| pentosan sulfuric polyester | <chemical> A sulfated pentosyl polysaccharide with heparin-like properties used in treatment of thromboses, inflammation and as an enzyme inhibitor. Pharmacological action: non-steroidal anti-inflammatory agents, anticoagulant, enzyme inhibitors, Chemical name: Xylan, hydrogen sulfate (12 Dec 1998) |
| pentose | <chemistry> Sugar (monosaccharide) with five carbon atoms. Include ribose and deoxyribose of nucleic acids and many others such as the aldoses arabinose and xylose and the ketoses ribulose and xylulose. (12 Dec 1998) |
| pentose monophosphate shunt | <biochemistry> A pathway of hexose oxidation in which glucose-6-phosphate undergoes two successive oxidations by NADP, the final one being an oxidative decarboxylation to form a pentose phosphate. Diverges from this when glucose-6-phosphate is oxidized to ribose 5 phosphate by the enzyme glucose-6 phosphate dehydrogenase. This step reduces NADP to NADPH, generating a source of reducing power in cells for use in reductive biosyntheses. In plants, part of the pathway functions in the formation of hexoses from carbon dioxide in photosynthesis. Also important as source of pentoses, for example for nucleic acid biosynthesis. This pathway is the main metabolic pathway in neutrophils, congenital deficiency in the pathway produces sensitivity to infection. Alternative metabolic route to Embden Meyerhof pathway for breakdown of glucose. (18 Nov 1997) |
| pentose phosphate cycle | <biochemistry> A pathway of hexose oxidation in which glucose-6-phosphate undergoes two successive oxidations by NADP, the final one being an oxidative decarboxylation to form a pentose phosphate. Diverges from this when glucose-6-phosphate is oxidized to ribose 5 phosphate by the enzyme glucose-6 phosphate dehydrogenase. This step reduces NADP to NADPH, generating a source of reducing power in cells for use in reductive biosyntheses. In plants, part of the pathway functions in the formation of hexoses from carbon dioxide in photosynthesis. Also important as source of pentoses, for example for nucleic acid biosynthesis. This pathway is the main metabolic pathway in neutrophils, congenital deficiency in the pathway produces sensitivity to infection. Alternative metabolic route to Embden Meyerhof pathway for breakdown of glucose. (18 Nov 1997) |
| pentavalent |
(pen
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| pentazocine |
(pen
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| pentobarbital |
(pen
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| pentobarbital sodium |
[USP] the sodium salt of pentobarbital, used as a sedative, anticonvulsant, preanesthetic in surgery, an adjunct to anesthesia, and an amnesic in obstetrics.
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| pentosemia |
(pen
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