| porencephalia | The occurrence of cavities in the brain substance, communicating usually with the lateral ventricles. Synonym: porencephalia, spelencephaly. Origin: G. Poros, pore, + enkephalos, brain (05 Mar 2000) |
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| porencephalic | Relating to or characterised by porencephaly. Synonym: porencephalous. (05 Mar 2000) |
| porencephalitis | Chronic inflammation of the brain with the formation of cavities in the organ's substance. Origin: G. Poros, pore, + enkephalos, brain, + -itis, inflammation (05 Mar 2000) |
| porencephalous | Relating to or characterised by porencephaly. Synonym: porencephalous. (05 Mar 2000) |
| porencephaly | The occurrence of cavities in the brain substance, communicating usually with the lateral ventricles. Synonym: porencephalia, spelencephaly. Origin: G. Poros, pore, + enkephalos, brain (05 Mar 2000) |
| porfiromycin | <chemical> Toxic antibiotic of the mitomycin group, obtained from mitomycin c and also from streptomyces ardus and other species. It is proposed as an antineoplastic agent, with some antibiotic properties. Pharmacological action: antibiotics, antineoplastic. Chemical name: Azirino(2',3':3,4)pyrrolo(1,2-a)indole-4,7-dione, 6-amino-8-(((aminocarbonyl)oxy)methyl)-1,1a,2,8,8a,8b-hexahydro-8a-methoxy-1,5-dimethyl-, (1aS-(1aalpha,8beta,8aalpha,8balpha))- (12 Dec 1998) |
| Porges method | A method of destroying the capsule of bacteria by heating with N/4 hydrochloric acid and neutralizing with NaOH. (05 Mar 2000) |
| Porges, Otto | <person> Austrian bacteriologist, *1879. See: Porges method, Porges-Meier test. (05 Mar 2000) |
| Porges-Meier test | An early flocculation test for syphilis; of significance in having introduced as antigens acetone-insoluble, alcohol-soluble fractions of tissue, and lecithin. (05 Mar 2000) |
| porgy | Origin: See Paugie. <zoology> The scup. The sailor's choice, or pinfish. The margate fish. The spadefish. Any one of several species of embiotocoids, or surf fishes, of the Pacific coast. The name is also given locally to several other fishes, as the bur fish. Alternative forms: porgee, porgie, and paugy. Source: Websters Dictionary (01 Mar 1998) |
| pori | Plural of porus. (05 Mar 2000) |
| poria | Plural of porion. (05 Mar 2000) |
| porifera | <zoology> A grand division of the Invertebrata, including the sponges; called also Spongiae, Spongida, and Spongiozoa. The principal divisions are Calcispongiae, Keratosa or Fibrospongiae, and Silicea. Origin: NL, fr. L. Porus pore + ferre to bear. Source: Websters Dictionary (01 Mar 1998) |
| poriferan | <zoology> One of the Polifera. Source: Websters Dictionary (01 Mar 1998) |
| porime | <mathematics> A theorem or proposition so easy of demonstration as to be almost self-evident. Origin: Gr. Practicable. Source: Websters Dictionary (01 Mar 1998) |