| prill | <zoology> The brill. 1. <alchemy> A nugget of virgin metal. Ore selected for excellence. 2. The button of metal from an assay. Origin: Etymol. Uncertain. Source: Websters Dictionary (01 Mar 1998) |
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| prilocaine | <chemical> A local anaesthetic that is similar pharmacologically to lidocaine. Currently, it is used most often for infiltration anaesthesia in dentistry. Pharmacological action: anaesthetics, local. Chemical name: Propanamide, N-(2-methylphenyl)-2-(propylamino)- (12 Dec 1998) |
| prilocaine hydrochloride | 2-(propylamino)-o-propionotoluidide hydrochloride;a local anaesthetic of the amide type, related chemically and pharmacologically to lidocaine hydrochloride; used for peridural, caudal, and nerve blocks, and for regional and infiltration anaesthesia. Synonym: propitocaine hydrochloride. (05 Mar 2000) |
| prim | <botany> The privet. Source: Websters Dictionary (01 Mar 1998) |
| prima donna | Origin: It, fr. Primo, prima, the first + donna lady, mistress. See Prime, and Donna. The first or chief female singer in an opera. Source: Websters Dictionary (01 Mar 1998) |
| primacy | The state of being primary, or foremost in rank or importance. Origin: see primary Genital primacy, in psychoanalysis, the primary characteristic of the genital phase of psychosexual development, i.e., the libido becomes preponderantly concentrated in the penis. Oral primacy, in psychoanalysis, the primary characteristic of the oral phase of psychosexual development, i.e., the libido is concentrated mainly in the oral zone. (05 Mar 2000) |
| primal | 1. First or primary. Synonym: primordial. (05 Mar 2000) |
| primal repression | Repression of material never in conscious thought. (05 Mar 2000) |
| primal scene | In psychoanalysis, the actual or fantasied observation by a child of sexual intercourse, particularly between the parents. (05 Mar 2000) |
| primaquine | <drug> An 8 aminoquinoline drug used to treat malaria. Affects the mitochondria of the exo erythrocytic stages (see Plasmodium), but the mechanism is not understood. The most effective drug at preventing spread of all four speciesof human malaria. (18 Nov 1997) |
| primaquine phosphate | 8-[(4-Amino-1-methylbutyl)amino]-6-methoxyquinoline phosphate (1:2);an antimalarial agent especially effective against Plasmodium vivax, terminating relapsing vivax malaria; usually administered with chloroquine. Primaquine phosphate sensitivity, a sensitivity to primaquine phosphate observed in individuals with glucose-6-phosphate dehydrogenase deficiency. (05 Mar 2000) |
| primaquine sensitivity | Nonimmunological inborn sensitivity to primaquine, causing haemolysis on exposure to the drug, due to deficiency of glucose-6-phosphate dehydrogenase in red cells. (05 Mar 2000) |
| primary | Principal, primus, the first, first in order or in time of development, principal. Origin: L. Primarius (18 Nov 1997) |
| primary adhesion | Healing by fibrous adhesion, without suppuration or granulation tissue formation. Synonym: primary adhesion, primary union. (05 Mar 2000) |
| primary adrenocortical insufficiency | Adrenocortical insufficiency caused by disease, destruction, or surgical removal of the adrenal cortices. (05 Mar 2000) |