| penicillin amidase | <enzyme> An enzyme catalyzing the hydrolysis of penicillin to penicin and a carboxylic acid anion. Chemical name: Penicillin amidohydrolase Registry number: EC 3.5.1.11 (12 Dec 1998) |
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| penicillin B | A penicillin preparation that is stable in gastric acid and is rapidly but only partially absorbed from the gastrointestinal tract. Synonym: alpha-phenoxyethylpenicillin potassium, penicillin B. (05 Mar 2000) |
| penicillin G | <chemical> (2s-(2 alpha,5 alpha,6 beta))-3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid. A penicillin derivative commonly used in the form of its sodium or potassium salts in the treatment of a variety of infections. It is effective against most gram-positive bacteria and against gram-negative cocci. It has also been used as an experimental convulsant because of its actions on gaba mediated synaptic transmission. Pharmacological action: convulsants, gaba modulators, penicillins. Chemical name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)- (2S-(2alpha,5alpha,6beta))- (12 Dec 1998) |
| penicillin G benzathine | <chemical> Semisynthetic antibiotic that is a relatively insoluble preparation that may remain in the body for 1 to 2 weeks, and prepared by combining the sodium salt of penicillin G with n,n'-dibenzylethylenediamine. Pharmacological action: penicillins. Chemical name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)- (2S-(2alpha,5alpha,6beta))-, compd. With N,N'-bis(phenylmethyl)-1,2-ethanediamine (2:1) (12 Dec 1998) |
| penicillin G hydrabamine | A dipenicillin compound, a mixture of penicillin G salts consisting chiefly of the salt of the diacidic base N,N '-bis-(dehydroabietyl) ethylenediamine. (05 Mar 2000) |
| penicillin G potassium | Potassium benzylpenicillin;the potassium salt of penicillin G, containing 85 to 90% penicillin G. (05 Mar 2000) |
| penicillin G procaine | <chemical> (2s-(2 alpha,5 alpha,6 beta))-3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid compound with 2-(diethylamino)ethyl) 4-aminobenzoate (1:1) monohydrate. Semisynthetic antibiotic prepared by combining penicillin G with procaine and which has a more prolonged action than penicillin G. Pharmacological action: penicillins. Chemical name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)- (2S-(2alpha,5alpha,6beta))-, compd. With 2-(diethylamino)ethyl 4-aminobenzoate (1:1), monohydrate (04 Jul 2000) |
| penicillin G sodium | <drug> The sodium salt of penicillin G, containing not less than 85% penicillin G. Synonym: Sodium benzylpenicillin (05 Mar 2000) |
| penicillin N | cephalosporin N |
| penicillin O | <drug> A drug produced by growing the mold in a medium containing allylmercaptomethylacetic acid; also available as the potassium and sodium salts. Synonym: allylmercaptomethylpenicillin. (05 Mar 2000) |
| penicillin penicillium | <chemistry> Any of many natural or partly synthetic peptidoglycan. (09 Oct 1997) |
| penicillin phenoxymethyl | <chemical> (2s-(2 alpha,5 alpha,6 beta)-3,3-dimethyl-7-oxo-6-((phenoxyacetyl)amino)-4-thia-1- azabicyclo(3.2.0)heptane-2-carboxylic acid. A broad-spectrum penicillin antibiotic used orally in the treatment of mild to moderate infections by susceptible gram-positive organisms. Pharmacological action: penicillins. Chemical name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenoxyacetyl)amino)-, (2S-(2alpha,5alpha,6beta))- (12 Dec 1998) |
| penicillin resistance | <microbiology, pharmacology> Nonsusceptibility of an organism to the action of penicillins. (12 Dec 1998) |
| penicillin v | <chemical> (2s-(2 alpha,5 alpha,6 beta)-3,3-dimethyl-7-oxo-6-((phenoxyacetyl)amino)-4-thia-1- azabicyclo(3.2.0)heptane-2-carboxylic acid. A broad-spectrum penicillin antibiotic used orally in the treatment of mild to moderate infections by susceptible gram-positive organisms. Pharmacological action: penicillins. Chemical name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenoxyacetyl)amino)-, (2S-(2alpha,5alpha,6beta))- (12 Dec 1998) |
| penicillin V benzathine | Benzathine phenoxymethylpenicillin;penicillin for oral use. (05 Mar 2000) |