| IDA | idamycin; image display and analysis; iminodiacetic acid; insulin-degrading activity; iron deficienc... |
|---|---|
| SCID | severe combined immunodeficiency [syndrome]; soft copy image display; Structured Clinical Interview ... |
| ISIS | image selected in vivo spectroscopy; imaging science and information system; information system-imag... |
| DDC | dangerous drug cabinet; dideoxycytidine; diethyl-dithiocarbamate; direct display console; diverticul... |
| SSD | shaded surface display; single saturating dose; Social Security disability; source-skin distance; so... |
| CADIA | Computer assisted densitometric image analysis |
|---|---|
| DIA | Digital image analysis |
| FAMIS | Factor Analysis of Medical Image Sequences |
| IA | Image Analysis |
| ISIS | Image Selected in Vivo Spectroscopy |
| affect display | Facial expressions, postures, and gestures indicating emotional states. (05 Mar 2000) |
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| data display | The visual display of data in a man-machine system. An example is a cathode ray tube display in which certain data can be called for from the computer and presented on the screen. (12 Dec 1998) |
| differential display PCR | Method of image formation in the light microscope based on the method proposed by Nomarski (though strictly speaking all forms of optical microscopy rely to a greater or lesser extent on differential interference). The light beam is split by a Wollaston prism in the condenser, to form slightly divergent beams polarized at right angles. One passes through the specimen (and is retarded if the refractive index is greater) and one through the background nearby: the two are recombined in a second Wollaston prism in the objective and interfere to form an image. The image is spuriously three dimensional the nucleus, for example: appears to stand out above the cell (or be hollowed out) because it has a higher refractive index than the cytoplasm. The Nomarski system has the advantage that there is no phase halo, but the contrast is low and image formation with crowded cells is poor because the background does not differ from the specimen. (18 Nov 1997) |
| display | 1. To unfold; to spread wide; to expand; to stretch out; to spread. "The northern wind his wings did broad display." (Spenser) 2. To extend the front of (a column), bringing it into line. 3. To spread before the view; to show; to exhibit to the sight, or to the mind; to make manifest. "His statement . . . Displays very clearly the actual condition of the army." (Burke) 4. To make an exhibition of; to set in view conspicuously or ostentatiously; to exhibit for the sake of publicity; to parade. "Proudly displaying the insignia of their order." (Prescott) 5. To make conspicuous by large or prominent type. 6. To discover; to descry. "And from his seat took pleasure to display The city so adorned with towers." (Chapman) Synonym: To exhibit, show, manifest, spread out, parade, expand, flaunt. Origin: OE. Displaien, desplaien, OF. Despleier, desploier, F. Deployer; pref. Des- (L. Dis-) + pleier, ploier, plier, F. Ployer, plier, to fold, bend, L. Plicare. See Ply, and cf. Deploy, Splay. Source: Websters Dictionary (01 Mar 1998) |
| Abbe theory of image formation | <optics, physics> Abbe's theory is based on the fact that a non-self-luminous particle, which is illuminated by an extraneous source, gives rise to diffracted light rays, in addition to the dioptric pencil. He stated that to form a good microscopical image as many of the diffracted rays as possible should be intercepted by the objective. With closely ruled lines, his theory is easily demonstrated by observing the back lens of the objective, for here the diffracted rays can be observed directly if the aperture diaphragm is closed. It can be shown that, when the illumination is arranged to exclude the diffracted images, resolution is lost. (11 Mar 1998) |
| accidental image | Continuation of visual impression after cessation of stimuli causing the original image. (12 Dec 1998) |
| body image | A term for the concept which each individual has of his own body as an object in and bound by space, independently and apart from all other objects. (12 Dec 1998) |
| radiographic image enhancement | Improvement in the quality of an X-ray image by use of an intensifying screen, tube, or filter and by optimum exposure techniques. Digital processing methods are often employed. (12 Dec 1998) |
| radiographic image interpretation, computer-assisted | Computer systems or networks designed to provide radiographic interpretive information. (12 Dec 1998) |
| real image | An image formed by the convergence of the actual rays of light from an object. Synonym: inverted image. (05 Mar 2000) |
| catatropic image | <ophthalmology, physiology> The two images formed by the anterior and posterior surfaces of the cornea and the two images formed by the anterior and posterior surfaces of the lens. Synonym: catatropic image, Purkinje images, Sanson's images. (05 Mar 2000) |
| virtual image | <microscopy> Such as seen in a mirror or through a magnifier. A virtual image has no real existence in space as does a real image from a lens. It does have a definite location, however, caused by the angles of divergence of the rays received by the eye. This can be shown by the common school experiment of placing a pin coincident with its mirror image behind a sheet of glass acting as a partial mirror. Its location can also be placed in design by extrapolating backwards to a focus. If a magnifier is used as it should be, with the object at its focus, the virtual image is at infinity. The same is true for a microscope focused for the relaxed eye. See: distance of virtual image. (05 Aug 1998) |
| visual image | A collection of foci corresponding to all the luminous points of an object. (05 Mar 2000) |
| retinal image | A real image formed on the retina. (05 Mar 2000) |
| mental image | A picture of an object not present, produced in the mind by memory or imagination. (05 Mar 2000) |
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