| 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) |
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| 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) |
| phantom limb pain | 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) |
| phantom pregnancy | An obsolete term for false pregnancy. (05 Mar 2000) |
| phantom tumour | Accumulation of fluid in the interlobar spaces of the lung, secondary to congestive heart failure, radiologically simulating a neoplasm. (05 Mar 2000) |
| Schultze's phantom | A model of a female pelvis used in demonstrating the mechanism of childbirth and the application of forceps. (05 Mar 2000) |
| alveolar border | The most occlusal edge of the alveolar bone. Synonym: alveolar process. (05 Mar 2000) |
| anterior border | The ventral or most forward margin of a structure. Synonym: anterior margin, ventral border. (05 Mar 2000) |
| anterior border of eyelids | The anterior edge of the free margin of each eyelid, along close to which the eyelashes are embedded. Synonym: limbus palpebrales anteriores. (05 Mar 2000) |
| anterior border of fibula | A ridge on the shaft of the fibula to which is attached the anterior intermuscular septum of the leg. Synonym: margo anterior fibulae. (05 Mar 2000) |
| anterior border of lung | The thin anteromedial or sternal edge of the lung which overlaps the pericardial sac anteriorly and forms the boundary between the mediastinal and costal surfaces. Synonym: margo anterior pulmonis. (05 Mar 2000) |
| anterior border of pancreas | The sharp margin between the anterior and inferior surfaces of the pancreas. Synonym: margo anterior pancreatis. (05 Mar 2000) |
| anterior border of radius | The ridge on the shaft of the radius extending from the radial tuberosity to the anterior part of the styloid process. Synonym: margo anterior radii. (05 Mar 2000) |