| pentamidine isethionate | P,p'-(Pentamethylenedioxy)dibenzamidinebis(beta-hydroxyethanesulfonate);a toxic but effective drug used in the prophylaxis and treatment of early stages of both types of African sleeping sickness (Gambian and Rhodesian trypanosomiasis). It does not cross the blood-brain barrier and is not effective in the treatment of the advanced (neurological) stage of the disease. Also used to treat leishmaniasis that does not respond to therapy with pentavalent antimonials and in the treatment of pneumonia caused by Pneumocystis carinii. (05 Mar 2000) |
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| pentandria | <botany> A Linnaean class of plants having five separate stamens. Origin: NL, fr. Gr. (see Penta-) +, man, male. Source: Websters Dictionary (01 Mar 1998) |
| pentandrous | <botany> Of or pertaining to the class Pentadria; having five stamens. Source: Websters Dictionary (01 Mar 1998) |
| pentane | <chemistry> Any one of the three metameric hydrocarbons, C5H12, of the methane or paraffin series. They are colourless, volatile liquids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule. See: Penta-. Source: Websters Dictionary (01 Mar 1998) |
| pentanes | Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. (12 Dec 1998) |
| pentanoic acid | CH3(CH2)3COOH;normal aliphatic acid; distilled from valerian; some of its salts are used in medicine; found in human colon. Synonym: pentanoic acid. (05 Mar 2000) |
| pentanols | Isomeric forms and derivatives of pentanol (c5h11oh). (12 Dec 1998) |
| pentanones | 5-carbon straight-chain or branched-chain ketones. (12 Dec 1998) |
| pentapeptide | A compound containing five amino acid residues linked via peptide bonds. (05 Mar 2000) |
| pentapetalous | <botany> Having five petals, or flower leaves. Origin: Penta- + petal. Source: Websters Dictionary (01 Mar 1998) |
| pentaphyllous | <botany> Having five leaves or leaflets. Origin: Penta- + Gr. Leaf. Source: Websters Dictionary (01 Mar 1998) |
| pentapiperide fumarate | 3-Methyl-2-phenylvaleric acid 1-methyl-4-piperidyl ester fumarate;an intestinal antispasmodic. (05 Mar 2000) |
| pentapiperium methylsulfate | 4-Hydroxy-1,1-dimethylpiperidinium methyl sulfate 3-methyl-2-phenylvalerate;an anticholinergic agent. (05 Mar 2000) |
| pentaquine | 8-(5-Iso-propylamino)-6-methoxyquinoline;an antimalarial agent closely related chemically to pamaquine but less toxic and more effective; it is administered with quinine, the two drugs acting synergically; active against Plasmodium vivax infections. (05 Mar 2000) |
| pentaspermous | <botany> Containing five seeds. Origin: Penta- + Gr. Seed. Source: Websters Dictionary (01 Mar 1998) |
| pentastomiasis |
(pen
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| pentatomic |
(pen
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| pentavalent |
(pen
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| pentazocine |
(pen
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| pentachromic |
(pen
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