| phanerozoite | An exoerythrocytic tissue stage of malaria infection other than the primary exoerythrocytic stages (cryptozoite and metacryptozoite generations); consists chiefly of reinfection of the liver by merozoites produced by a blood infection (not found in falciparum malaria). Origin: phanero-+ G. Zoon, animal (05 Mar 2000) |
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| phanquone | 4,7-Phenanthroline-5,6-dione;an amoebicide. (05 Mar 2000) |
| phantascope | <instrument> An optical instrument or toy, resembling the phenakistoscope, and illustrating the same principle. Synonym: phantasmascope. Origin: Gr. Image + -scope. Source: Websters Dictionary (01 Mar 1998) |
| phantasia | Synonym: fantasy. Origin: G. Appearance (05 Mar 2000) |
| phantasm | 1. An image formed by the mind, and supposed to be real or material; a shadowy or airy appearance; sometimes, an optical illusion; a phantom; a dream. "They be but phantasms or apparitions." (Sir W. Raleigh) 2. A mental image or representation of a real object; a fancy; a notion. "Figures or little features, of which the description had produced in you no phantasm or expectation." (Jer. Taylor) Origin: L. Phantasma. See Phantom, and cf. Fantasm] [Spelt also fantasm. Source: Websters Dictionary (01 Mar 1998) |
| phantasmagoria | 1. An optical effect produced by a magic lantern. The figures are painted in transparent colours, and all the rest of the glass is opaque black. The screen is between the spectators and the instrument, and the figures are often made to appear as in motion, or to merge into one another. 2. The apparatus by which such an effect is produced. 3. A medley of figures; illusive images. "This mental phantasmagoria." Origin: NL, from Gr. A phantasm + an assembly, fr. To gather: cf. F. Phantasmagorie. Source: Websters Dictionary (01 Mar 1998) |
| phantasmascope | See Phantascope. Source: Websters Dictionary (01 Mar 1998) |
| phantasmatography | A description of celestial phenomena, as rainbows, etc. Origin: Gr, phantasm. Source: Websters Dictionary (01 Mar 1998) |
| phantasmatomoria | Dementia with childish fantasies. Origin: G. Phantasma, an appearance, + moria, folly (05 Mar 2000) |
| phantasmology | The study of spiritualistic manifestations and of apparitions. Origin: G. Phantasma, an appearance, + logos, study (05 Mar 2000) |
| phantasmoscopia | Phantasmoscopy The delusion of seeing phantoms. Origin: G. Phantasma, an appearance, + skopeo, to view (05 Mar 2000) |
| phantom | That which has only an apparent existence; an apparition; a specter; a phantasm; a sprite; an airy spirit; an ideal image. "Strange phantoms rising as the mists arise." (Pope) "She was a phantom of delight." (Wordsworth) Phantom ship. See Flying Dutchman, under Flying. <medicine> Phantom tumour, a swelling, especially of the abdomen, due to muscular spasm, accumulation of flatus, etc, simulating an actual tumour in appearance, but disappearing upon the administration of an anaesthetic. Origin: OE. Fantome, fantosme, fantesme, OF. Fantome, fr. L. Phantasma, Gr, fr. To show. See Fancy, and cf. Phaeton, Phantasm, Phase. Source: Websters Dictionary (01 Mar 1998) |
| phantom aneurysm | A palpable throbbing aorta, mistaken by novices for an aneurysm. (05 Mar 2000) |
| phantom corpuscle | A hypochromic, crescent-shaped erythrocyte, probably resulting from artifactual rupture of a red cell with loss of haemoglobin. Synonym: achromacyte, achromatocyte, ghost corpuscle, phantom corpuscle, Ponfick's shadow, shadow corpuscle, shadow, Traube's corpuscle. Origin: G. A-priv. + chroma, colour, + kytos, hollow (cell) (05 Mar 2000) |
| phantom limb | The sensation, after amputation of a limb, that the absent part is still present; there may also be paresthesias, transient aches, and intermittent or continuous pain perceived as originating in the absent limb. (12 Dec 1998) |