| AN | acanthosis nigricans; acne neonatorum; acoustic neuroma; adult, normal; ala nasi; amyl nitrate; aneu... |
|---|---|
| An | actinon; anisometropia; anode, anodal; atmosphere normal |
| RFS | relapse-free survival; renal function study; rotating frame spectroscopy |
| ROESY | rotating frame Overhauser effect spectroscopy |
| rot | rotating, rotation |
| RWV | Rotating Wall Vessel |
|---|---|
| ROESY | rotating frame NOE spectroscopy |
| rotating anode | In diagnostic radiography, modern X-ray tubes that have a mushroom-shaped anode that rotates rapidly to avoid local heat buildup from electron impact during X-ray generation. (05 Mar 2000) |
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| rotating anode tube | A modern X-ray tube, in which heat buildup is distributed through a larger volume by rotating the target. (05 Mar 2000) |
| anode | <microscopy> The electrode to which a major flow of electrons takes place internally (as in a cathode-ray tube) or to which an external positive voltage supply is connected. (05 Aug 1998) |
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| anode rays | Those originating in a gas discharge tube and moving in a direction opposite to that of cathode ray's; made up of positively charged ions. Synonym: positive rays. (05 Mar 2000) |
| panoramic rotating machine | An X-ray machine using a reciprocating motion of the tube and extraoral film to produce a radiograph of all the teeth and surrounding structures. (05 Mar 2000) |
| nosepiece rotating | <microscopy> A device on the end of the microscope tube to permit the mounting of two to six objectives, any of which may be swung into place, ready for use, by rotating the nose-piece to the desired position. The nosepiece usually occupies a mechanical-tubelength space of 15 mm. (05 Aug 1998) |
| rotating anode |
in radiology, an anode in the form of a disk with the target material annealed to its rim; the anode is continuously rotated so that the electron stream strikes only a small part of the target at one time, thus allowing heat dissipation.
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