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radiotracer method

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  • human cardiovascular system — ▪ anatomy Introduction       organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the… …   Universalium

  • Partition coefficient — In chemistry and the pharmaceutical sciences, a partition (P) or distribution coefficient (D) is the ratio of concentrations of a compound in the two phases of a mixture of two immiscible solvents at equilibrium.[1] The terms gas/liquid partition …   Wikipedia

  • Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… …   Wikipedia

  • Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …   Wikipedia

  • Sellafield — Aerial view of the site …   Wikipedia

  • tomography — Making of a radiographic image of a selected plane by means of reciprocal linear or curved motion of the x ray tube and film cassette; images of all other planes are blurred (“out of focus”) by being relatively displaced on the film. SYN:… …   Medical dictionary

  • radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …   Universalium

  • Positron emission tomography — (PET) is a nuclear medicine imaging technique which produces a three dimensional image or map of functional processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron emitting radionuclide (tracer), which is… …   Wikipedia

  • Technetium — molybdenum ← technetium → ruthenium Mn ↑ Tc ↓ Re …   Wikipedia

  • Attention-deficit hyperactivity disorder — OMIM = 143465 MedlinePlus = 001551 eMedicineSubj = med eMedicineTopic = 3103 eMedicine mult = eMedicine2|ped|177 MeshID = D001289 Attention Deficit Hyperactivity Disorder (ADHD) is a [http://www.ninds.nih.gov/disorders/adhd/adhd.htm NINDS… …   Wikipedia

  • Magnesium transporters — This page links directly from the magnesium in biological systems page. All forms of life require magnesium, and yet the molecular mechanisms of Mg2+ uptake from the environment and the distribution (transport) of this vital element within the… …   Wikipedia

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