| VDT | vibration disappearance threshold; visual display terminal; visual distortion test |
|---|---|
| CL | VOID clean voided specimen [urine] |
| CSU | casualty staging unit; catheter specimen of urine; central statistical unit; clinical specialty unit... |
| CUS | carotid ultrasound examination; catheterized urine specimen; contact urticaria syndrome |
| CVS | cardiovascular surgery; cardiovascular system; challenge virus strain; chorionic villi sampling; cle... |
| PSB | Protected specimen brush |
|---|---|
| MVCS | microvascular cast specimen |
| DP | Distortion Product |
| DPE | Distortion Product Emission |
| DPOE | Distortion product otoacoustic emissions |
| specimen distortion | <microscopy> A physical change in the specimen caused by desiccation or heating by the electron beam. (05 Aug 1998) |
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| barrel distortion | <microscopy> A distortion, or aberration. (05 Aug 1998) |
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| geometrical distortion | <microscopy> A lens aberration in which the image is distorted relative to the object. See: aberration, barrel distortion, distortion, pincushion distortion. (05 Aug 1998) |
| perceptual distortion | Lack of correspondence between the way a stimulus is commonly perceived and the way an individual perceives it under given conditions. (12 Dec 1998) |
| pincushion distortion | <microscopy> A geometrical distortion in a video picture, or a form of optical aberration, that makes the middle of all sides of a square appear to bow inward. The distortion can amount to several percent of the picture height in some intensified camera tubes. See: Aberration, Distortion, Barrel distortion. (05 Aug 1998) |
| distortion | The state of being twisted out of a natural or normal shape or position. Origin: L. Dis = apart, torsio = a twisting (18 Nov 1997) |
| distortion aberration | The faulty formation of an image arising because the magnification of the peripheral part of an object is different from that of the central part when viewed through a lens. (05 Mar 2000) |
| biological specimen banks | Centres for collecting, storing, and distributing human or other animal material or tissues for future use by other individuals, as blood banks, bone banks, eye banks, milk banks, skin banks, sperm banks, and tissue banks. (12 Dec 1998) |
| blood specimen collection | The taking of a blood sample to determine its character as a whole, to identify levels of its component cells, chemicals, gases, or other constituents, to perform pathological examination, etc. (12 Dec 1998) |
| cytologic specimen | A specimen obtainable by a variety of methods from many areas of the body, including the female genital tract, respiratory tract, urinary tract, alimentary tract, and body cavities; used for cytologic examination and diagnosis (e.g., cytologic smears, filter preparations, centrifuged buttons). (05 Mar 2000) |
| specimen | <microscopy> A piece or portion of a sample selected for examination. The specimen may, or may not be representative, whereas the sample may have been selected to be representative. (05 Aug 1998) |
| specimen chamber | <microscopy> The compartment located in the column of the electron microscope in which the specimen is placed for observation. (05 Aug 1998) |
| specimen charge | <microscopy> The electrical charge resulting from the impingement of electrons on a nonconducting specimen. (05 Aug 1998) |
| specimen contamination | <microscopy> A change in the specimen caused by the condensation upon it of residual vapours in the microscope under the influence of electron bombardment. (05 Aug 1998) |
| specimen handling | Procedures for collecting, preserving, and transporting of specimens sufficiently stable to provide accurate and precise results suitable for clinical interpretation. (12 Dec 1998) |
| specimen holder | <microscopy> A device which supports the specimen and specimen screen in the correct position in the specimen chamber of the microscope. (05 Aug 1998) |
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