| ghost | 1. The spirit; the soul of man. "Then gives her grieved ghost thus to lament." (Spenser) 2. The disembodied soul; the soul or spirit of a deceased person; a spirit appearing after death; an apparition; a specter. "The mighty ghosts of our great Harrys rose." (Shak) "I thought that I had died in sleep, And was a blessed ghost." (Coleridge) 3. Any faint shadowy semblance; an unsubstantial image; a phantom; a glimmering; as, not a ghost of a chance; the ghost of an idea. "Each separate dying ember wrought its ghost upon the floor." (Poe) 4. A false image formed in a telescope by reflection from the surfaces of one or more lenses. <zoology> Ghost moth the third person in the Trinity. To give up or yield up the ghost, to die; to expire. "And he gave up the ghost full softly." (Chaucer) "Jacob . . . Yielded up the ghost, and was gathered unto his people". (Gen. Xlix. 33) Origin: OE. Gast, gost, soul, spirit, AS. Gast breath, spirit, soul; akin to OS. Gst spirit, soul, D. Geest, G. Geist, and prob. To E. Gaze, ghastly. Source: Websters Dictionary (01 Mar 1998) |
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| ghost cell | <haematology> A red blood cell which has had all of its cytoplasmic contents removed by cell lysis so that only its outer cytoplasmic membrane remains. (17 Dec 1997) |
| ghost cell glaucoma | Glaucoma occurring after vitrectomy, arising from erythrocyte membranes blocking outflow channels of aqueous humor. (05 Mar 2000) |
| ghost 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) |
| ghost tooth | A tooth with reduced radiodensity seen in regional odontodysplasia. (05 Mar 2000) |
| ghostfish | <zoology> A pale ubspotted variety of the wrymouth. Source: Websters Dictionary (01 Mar 1998) |
| ghostology | Ghost lore. "It seemed even more unaccountable than if it had been a thing of ghostology and witchcraft." (Hawthorne) Source: Websters Dictionary (01 Mar 1998) |
| ghosts | <cell biology> The membrane and cytoskeletal elements of the erythrocyte devoid of cytoplasmic contents, but preserving the original morphology. (18 Nov 1997) |
| resealed ghost | <haematology> Membrane shells formed by lysis of erythrocytes resealed by adjusting the cation composition of the medium. Relatively impermeable, although more permeable than the original membrane. (18 Nov 1997) |
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| erythrocyte ghost | <cell biology> The membrane and cytoskeletal elements of the erythrocyte devoid of cytoplasmic contents, but preserving the original morphology. (18 Nov 1997) |