| nuclear matrix | <cell biology> Membrane system that surrounds the nucleus of eukaryotic cells. Consists of inner and outer membranes separated by perinuclear space and perforated by nuclear pores. The term should be used in preference to the term nuclear membrane which is potentially very confusing. (18 Nov 1997) |
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| nuclear medicine | <study> The branch of medicine pertaining to diagnostic, therapeutic and investigative use of radioactive chemical elements. (16 Dec 1997) |
| nuclear medicine department, hospital | Hospital department responsible for the administration and management of nuclear medicine services. (12 Dec 1998) |
| nuclear medicine physician | <specialist> A specialist trained in the interpretation and administration of diagnostic tests that use radionuclide compounds. (27 Sep 1997) |
| 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) |
Synonyms : NLS Peptide, Nuclear Localization Signal Peptide, NLS Peptides, Peptide, NLS, Peptides, NLS, Signal, Nuclear Localization, Signals, Nuclear Localization
Synonyms : Biomolecular NMR, Heteronuclear NMR, Multinuclear NMR, NMR Spectroscopies, Protein, Protein NMR Spectroscopies, Spectroscopies, Protein NMR, Spectroscopy, Protein NMR
Synonyms : Matrices, Nuclear, Matrix, Nuclear, Nuclear Matrices, Nuclear Scaffolds, Scaffold, Nuclear, Scaffolds, Nuclear
Synonyms : Nuclear Matrix Binding Proteins, Nuclear Scaffold Proteins, Protein, Nuclear Scaffold, Matrix Proteins, Nuclear, Matrix-Associated Proteins, Nuclear, Nuclear Matrix Associated Proteins, Nuclear Scaffold Protein, Scaffold Protein, Nuclear
Synonyms : Medicine, Atomic, Medicine, Nuclear, Radiology, Nuclear
| nuclear fission |
fission: a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
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| nuclear physics |
the branch of physics that studies the internal structure of atomic nuclei
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| nuclear medicine |
the branch of medicine that uses radioactive materials either to image a patient's body or to destroy diseased cells
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| nucleolar organizer |
nucleolus organizer: the particular part of a chromosome that is associated with a nucleolus after nuclear division
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| nucleonics |
nuclear physics: the branch of physics that studies the internal structure of atomic nuclei
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| nucle | a rocket engine in which a nuclear reactor is used to heat a propellant |
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| nucle | a submarine that is propelled by nuclear power |
| nucle | the warhead of a missile designed to deliver an atom bomb |
| nucle | a weapon of mass destruction whose explosive power derives from a nuclear reaction |
| nucle | ship whose motive power comes from the energy of a nuclear reactor |
| nucle | a submarine that is propelled by nuclear power |
| nucle | general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units |
| nucle | form into a nucleus |
| nucle | (biology) having a nucleus or occurring in the nucleus |
| nucle | (biology) having a nucleus or occurring in the nucleus |
| nucle | any of various macromolecules that are vital constituents of all living cells |
| nucle | the particular part of a chromosome that is associated with a nucleolus after nuclear division |