| EPR | early progressive resistance; electron paramagnetic resonance; electronic patient record; electrophr... |
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| ESR | Einstein stoke radius; electric skin resistance; electron spin resonance; equipment service report; ... |
| ICR | [distance between] iliac crests; Institute for Cancer Research; Institute for Cancer Research [mouse... |
| INDOR | internuclear double resonance |
| IRC | inspiratory reserve capacity; instantaneous resonance curve; International Red Cross; International ... |
| nuclear medicine physician | <specialist> A specialist trained in the interpretation and administration of diagnostic tests that use radionuclide compounds. (27 Sep 1997) |
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| nuclear membrane | An intracellular structure, consisting of two concentric membranes, enclosing the nucleoplasm and separating it from the cytoplasm. The areas where these two membranes fuse are called nuclear pore complexes. (12 Dec 1998) |
| nuclear ophthalmoplegia | Ophthalmoplegia due to a lesion of the nuclei of origin of the motor nerves of the eye. (05 Mar 2000) |
| nuclear Overhauser effect | <enzyme> An enzyme seen in nuclear magnetic resonance in which there is a through-space nearest neighbor interaction. (05 Mar 2000) |
| nuclear pacemaker | A nuclear-powered unit used to generate the electrical current for artificially pacing the heart; replaced by units using long-life nickel-cadmium and other power sources. (05 Mar 2000) |
| nuclear physician | <specialist> A medically qualified specialist in internal medicine who has subspecialised in the use of radioactive materials for both the diagnosis and treatment of cancer and other conditions. The radioactive substances are normally injected intravenously but may be swallowed (for example radio-iodine). There are few such specialists and occasionally Radiation Oncologists also practise this!. (16 Dec 1997) |
| nuclear pore | <cell biology> Openings in the nuclear envelope, diameter about 10 nm, through which molecules such as nuclear proteins synthesised in the cytoplasm) and mRNA must pass. Pores are generated by a large protein assembly. (18 Nov 1997) |
| nuclear proteins | Proteins found in the nucleus of a cell. Do not confuse with nucleoproteins which are proteins conjugated with nucleic acids, that are not necessarily present in the nucleus. (12 Dec 1998) |
| nuclear reaction | The interaction of two atomic nuclei or of one such with a subatomic particle, or of the subatomic particles within an atomic nucleus, resulting in a change in the nature of the nuclei concerned or in the energy content of the nuclei or both, usually manifested by transmutation (accompanied by emission of alpha-, beta-, or gamma-rays) or by fission or fusion of the nuclei. (05 Mar 2000) |
| nuclear reactors | Devices containing fissionable material in sufficient quantity and so arranged as to be capable of maintaining a controlled, self-sustaining nuclear fission chain reaction. They are also known as atomic piles, atomic reactors, fission reactors, and nuclear piles, although such names are deprecated. (12 Dec 1998) |
| nuclear RNA | <molecular biology> The nucleus contains RNA that has just been synthesised, but in addition there is some that seems not to be released or is only released after further processing, the heterogenous nuclear RNA (hnRNA) and small RNA molecules associated with protein to form small nuclear ribonucleoproteins. (18 Nov 1997) |
| nuclear run off assay | <investigation, procedure> Technique for determining which genes are being actively transcribed at a given moment in an experiment by extracting nuclear material and allowing transcription to continue, then analysing the resulting RNAs. (18 Nov 1997) |
| nuclear sap | The presumably fluid substance or gel of the nucleus in which stainable elements were believed to be suspended; much that was formerly considered to be karyolymph is now known to be euchromatin. Synonym: nuclear hyaloplasm, nuclear sap, nucleochylema, nucleochyme. Origin: karyo-+ L. Lympha, clear water (05 Mar 2000) |
| nuclear scaffold serine protease | <enzyme> Calcium-regulated serine protease which cleaves a subset of lamins a/c (intermediate filament proteins) to produce an ATP-binding protein; partial amino-terminal amino acid sequence given in first source Registry number: EC 3.4.21.- Synonym: ns protease (26 Jun 1999) |
| nuclear scan: adrenals | A nuclear scan that images the adrenal glands after a radioactive tracer is injected into the bloodstream. This test is useful in detecting a pheochromocytoma, particularly if it not within the adrenal gland. (27 Sep 1997) |