| AIM | Abridged Index Medicus; acute transverse myelopathy; area of interest magnification; artificial inte... |
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| CMF | calcium-magnesium free; catabolite modular factor; chondromyxoid fibroma; Christian Medical Fellowsh... |
| mag, magn | large [Lat. magnus]; magnification |
| ESS | empty sella syndrome; endostreptosin; erythrocyte-sensitizing substance; euthyroid sick syndrome; ev... |
| LEMO | lowest empty molecular orbital |
| ESS | Empty sella syndrome |
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| EBW | empty body weight |
| ems | empty spiracles |
| magnification empty | <microscopy> Magnification beyond which no new information is revealed. (05 Aug 1998) |
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| empty | 1. Containing nothing; not holding or having anything within; void of contents or appropriate contents; not filled; said of an inclosure, as a box, room, house, etc.; as, an empty chest, room, purse, or pitcher; an empty stomach; empty shackles. 2. Free; clear; devoid; often with of. "That fair female troop . . . Empty of all good." "I shall find you empty of that fault." (Shak) 3. Having nothing to carry; unburdened. "An empty messenger." "When ye go ye shall not go empty." (Ex. Iii. 21) 4. Destitute of effect, sincerity, or sense; said of language; as, empty words, or threats. "Words are but empty thanks." (Cibber) 5. Unable to satisfy; unsatisfactory; hollow; vain; said of pleasure, the world, etc. "Pleas'd in the silent shade with empty praise." (Pope) 6. Producing nothing; unfruitful; said of a plant or tree; as, an empty vine. "Seven empty ears blasted with the east wind." (Gen. Xli. 27) 7. Destitute of, or lacking, sense, knowledge, or courtesy; as, empty brains; an empty coxcomb. "That in civility thou seem'st so empty." (Shak) 8. Destitute of reality, or real existence; unsubstantial; as, empty dreams. Empty is used as the first element in a compound; as, empty-handed, having nothing in the hands, destitute; empty-headed, having few ideas; empty-hearted, destitute of feeling. Synonym: See Vacant. Origin: AS. Emtig, aemtig, aemetig, fr. Aemta, aemetta, quiet, leisure, rest; of uncertain origin; cf. G. Emsig busy. Source: Websters Dictionary (01 Mar 1998) |
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| empty sella | A sella turcica, often enlarged, that contains no discernible pituitary gland; may be primarily due to an incompetent sellar diaphragm with compression of the pituitary gland by herniating arachnoid or secondarily due to surgery or radiotherapy. (05 Mar 2000) |
| empty sella syndrome | <radiology> Aetiology, idiopathic, most commonly reported in middle-aged obese women (associated with DM, hypertension, normal pituitary function), secondary, pituitary adenoma, surgery or irradiation, communicating hydrocephalus, familial (very rare) X-ray findings: sella normal or increased, intrasellar herniation of subarachnoid space, symptoms: headache, visual disorders, with or without decreased pituitary function, cerebrospinal fluid rhinorrhoea (12 Dec 1998) |
| biological magnification | <biology, zoology> The process by which toxins such as pesticides build up in each successive link in the food chain. For instance, a given population of beetles may have very low levels of a fat-soluble pesticide, but the pesticide will build to much greater levels in the fat of a bird that eats those beetles, and the pesticide will reach greater levels still in a human or panther that eats the beetle-eating birds. (21 Mar 1998) |
| radiographic magnification | Use of optic and geometric techniques to enhance radiographic image quality and interpretation. It includes use of microfocal X-ray tubes and intensifying fluoroscopic screens. (12 Dec 1998) |
| magnification | The amplification of an image by using enlarged views to magnify an area for greater detail. (13 Nov 1997) |
| magnification angiography | Enhanced imaging of small blood vessels using an increased distance from subject to film, as in magnification radiography. (05 Mar 2000) |
| magnification radiography | Radiography using a microfocal X-ray tube and increased subject-film distance to provide geometric magnification of the subject without unacceptable loss of sharpness and resolution or an undesirable increase in radiation exposure caused by increasing the distance between the subject and the film. (05 Mar 2000) |
| longitudinal magnification | <microscopy> A certain distance, measured axially, in the object space as referred to the respective distance in the image space. The ratio of the distance D' in the image space to the distance D in the object space equated to the square of the linear magnification M of the system. Thus: M exp2 =D'/D. (05 Aug 1998) |
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