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Magnesium Silicates
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D017633 |
[A generic term for a variety of compounds that contain silicon, oxygen, and magnesium, and may contain hydrogen. Examples include TALC and some kinds of ASBESTOS.
] |
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Magnesium Sulfate
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D008278 |
[A small colorless crystal used as an anticonvulsant, a cathartic, and an electrolyte replenisher in the treatment of pre-eclampsia and eclampsia. It causes direct inhibition of action potentials in myometrial muscle cells. Excitation and contraction are uncoupled, which decreases the frequency and force of contractions. (From AMA Drug Evaluations Annual, 1992, p1083)
] |
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Magnetic Field Therapy
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D055909 |
[The magnetic stimulation of specific target tissues or areas of the body for therapeutic purposes via the application of magnetic fields generated by MAGNETS or ELECTROMAGNETS.
] |
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Magnetic Fields
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D060526 |
[Areas of attractive or repulsive force surrounding MAGNETS.
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Magnetic Iron Oxide Nanoparticles
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D000082662 |
[Synthesized nanoparticles related to iron oxide crystalline structures with magnetic properties useful for biomedical applications. Examples include hematite, magnetite and maghemite nanoparticles.
] |
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Magnetic Phenomena
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D060328 |
[Characteristics, properties, and effects of magnetic substances and magnetic fields.
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Magnetic Resonance Angiography
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D018810 |
[A diagnostic technique for measuring the rate at which blood is delivered to tissue. In perfusion MRI, an exogenous contrast agent is usually injected to provide superior tissue contrast and easy delineation of perfusion abnormalities. Endogenous markers can also be used.
, Non-invasive method of vascular imaging and determination of internal anatomy without injection of contrast media or radiation exposure. The technique is used especially in CEREBRAL ANGIOGRAPHY as well as for studies of other vascular structures.
] |
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Magnetic Resonance Imaging
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D008279 |
[Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques.
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Magnetic Resonance Imaging, Cine
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D019028 |
[A type of imaging technique used primarily in the field of cardiology. By coordinating the fast gradient-echo MRI sequence with retrospective ECG-gating, numerous short time frames evenly spaced in the cardiac cycle are produced. These images are laced together in a cinematic display so that wall motion of the ventricles, valve motion, and blood flow patterns in the heart and great vessels can be visualized.
] |
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Magnetic Resonance Imaging, Interventional
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D053783 |
[Minimally invasive procedures guided with the aid of magnetic resonance imaging to visualize tissue structures.
] |
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Magnetic Resonance Spectroscopy
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D009682 |
[Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical applications such as NMR Tomography (MAGNETIC RESONANCE IMAGING).
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Magnetics
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D008280 |
[The study of MAGNETIC PHENOMENA.
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Magnetite Nanoparticles
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D058185 |
[Synthesized magnetic particles under 100 nanometers used in many biomedical applications including DRUG DELIVERY SYSTEMS and CONTRAST AGENTS. The particles are usually coated with a variety of polymeric compounds.
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Magnetocardiography
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D053798 |
[The measurement of magnetic fields generated by electric currents from the heart. The measurement of these fields provides information which is complementary to that provided by ELECTROCARDIOGRAPHY.
] |
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Magnetoencephalography
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D015225 |
[The measurement of magnetic fields over the head generated by electric currents in the brain. As in any electrical conductor, electric fields in the brain are accompanied by orthogonal magnetic fields. The measurement of these fields provides information about the localization of brain activity which is complementary to that provided by ELECTROENCEPHALOGRAPHY. Magnetoencephalography may be used alone or together with electroencephalography, for measurement of spontaneous or evoked activity, and for research or clinical purposes.
] |
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Magnetometry
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D060306 |
[The measurement of various aspects of MAGNETIC FIELDS.
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Magnetosomes
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D055944 |
[Membrane-bound prokaryotic organelles of magnetotactic bacteria that contain chains of MAGNETITE crystals which orient the bacteria to geomagnetic fields.
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Magnetospirillum
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D042201 |
[A genus of microaerophilic, gram-negative bacteria that forms crystals of the mineral magnetite in special organelles called MAGNETOSOMES.
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Magnets
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D059346 |
[Objects that produce a magnetic field.
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Magnolia
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D031566 |
[A plant genus of the family MAGNOLIACEAE. The germacranolide sesquiterpene lactones costunolide, parthenolide, and costunolide diepoxide have been isolated from the leaves. Bark contains honokiol and magnolol. Parts are an ingredient of Banxia Houpo Tang.
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