| UCO | ultrasonic cardiac output; urethral catheter out; urinary catheter out |
|---|---|
| FPRA | first pass radionuclide angiogram |
| HPF | heparin-precipitable fraction; hepatic plasma flow; high-pass filter; high-power field [microscope];... |
| LOP | leave on pass; left occipitoposterior [fetal position] |
| LPFN | low-pass filtered noise |
| CABG | Coronary artery by-pass surgery |
|---|---|
| FP | First pass |
| FPM | First pass metabolism |
| FPRNA | First-pass radionuclide angiography |
| HRP | High-Pass Resolution Perimetry |
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| ventriculography, first-pass | Radionuclide ventriculography where a bolus of radionuclide is injected and data are recorded from one pass through the heart ventricle. Left and right ventricular function can be analyzed independently during this technique. First-pass ventriculography is preferred over gated blood pool imaging for assessing right ventricular function. (12 Dec 1998) |
|---|---|
| pass | 1. An opening, road, or track, available for passing; especially, one through or over some dangerous or otherwise impracticable barrier; a passageway; a defile; a ford; as, a mountain pass. ""Try not the pass!" the old man said." (Longfellow) 2. A thrust or push; an attempt to stab or strike an adversary. 3. A movement of the hand over or along anything; the manipulation of a mesmerist. 4. A single passage of a bar, rail, sheet, etc, between the rolls. 5. State of things; condition; predicament. "Have his daughters brought him to this pass." (Shak) "Matters have been brought to this pass." (South) 6. Permission or license to pass, or to go and come; a psssport; a ticket permitting free transit or admission; as, a railroad or theater pass; a military pass. "A ship sailing under the flag and pass of an enemy." (Kent) 7. A thrust; a sally of wit. 8. Estimation; character. "Common speech gives him a worthy pass." (Shak) 9. [Cf. Passus] A part; a division. Pass boat, a wooden or metallic box, used to carry cartridges from the service magazine to the piece. Pass check, a ticket of admission to a place of entertainment, or of readmission for one who goes away in expectation of returning. Origin: Cf. F. Pas (for sense 1), and passe, fr. Passer to pass. See Pass. Source: Websters Dictionary (01 Mar 1998) |
| high-pass filter | A device or material that allows high frequency signals to pass while attenuating other signals. (05 Mar 2000) |
| low-pass filter | A device or material with the opposite effect from a high-pass filter; most tissues act as low-pass filters of ultrasound signals. (05 Mar 2000) |
| acting out | Expressing unconscious emotional conflicts or feelings, often of hostility or love, through overt behaviour. (12 Dec 1998) |
| block-out | Elimination of undercuts by filling such areas with a medium such as wax or wet pumice. (05 Mar 2000) |
| blow-out fracture | A fracture of the floor of the orbit, without a fracture of the rim, produced by a blow on the globe with the force being transmitted via the globe to the orbital floor. (05 Mar 2000) |
| white-out syndrome | <syndrome> A psychosis which occurs in Arctic explorers or others similarly exposed to the stimulus deprivation of a snow-clad environment. See: sensory deprivation. (05 Mar 2000) |
| working out | In psychoanalysis, the state in the treatment process in which the patient's personal history and psychodynamics are uncovered. (05 Mar 2000) |
| salting out | The precipitation of a protein from its solution by saturation or partial saturation with such neutral salts as sodium chloride, magnesium sulfate, or ammonium sulfate. (05 Mar 2000) |
| sorting out | Phenomenon observed to occur when mixed aggregates of dissimilar embryonic cell types are formed in vitro. The original aggregate sorts out so that similar cells come together into homotypic domains, usually with one cell type sorting out to form a central mass that is surrounded by the other cell type. Much controversy has arisen over the years as to the underlying mechanism, whether there is specificity in the adhesive interactions (which would imply tissue specific receptor ligand interactions) or whether it is sufficient to suppose that there are quantitative differences in homo and hetero typic adhesion (the differential adhesion hypothesis). With the exception perhaps of the main protagonists, most cell biologists consider that there are probably elements both of tissue specificity (CAMs) and of quantitative adhesive differences involved. (18 Nov 1997) |
| stopping-out | A method adopted in etching, to keep the acid from those parts which are already sufficiently corroded, by applying varnish or other covering matter with a brush, but allowing the acid to act on the other parts. Source: Websters Dictionary (01 Mar 1998) |
| inside out patch | A variant of the patch clamp technique, in which a disc of plasma membrane covers the tip of the electrode, with the inner face of the plasma membrane facing outward, to the bath. (18 Nov 1997) |
| inside out vesicle | Mechanical disruption of cell membranes gives rise to small closed vesicles surrounded by a bilayer membrane. These may be right side out (ROV) or IOV if the topography is inverted. (18 Nov 1997) |
| out of phase | Not in phase, moving in opposite directions at the same time; 180 |
| pass out | pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain |
|---|---|
| pass out | lose consciousness due to a sudden trauma, for example |
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