isotope diagnostic

См. также в других словарях:

• diagnostic imaging — or medical imaging Use of electromagnetic radiation to produce images of internal body structures for diagnosis. X rays have been used since 1895. Denser tissues, such as bones, absorb more X rays and show as lighter areas on X ray film. A… …   Universalium

• radioactive isotope — ▪ chemistry also called  radioisotope   any of several species of the same chemical element with different masses whose nuclei are unstable and dissipate excess energy by spontaneously emitting radiation in the form of alpha, beta, and gamma rays …   Universalium

• Radio-isotope — Radioisotope Les radioisotopes, radionucléides ou radioéléments, contraction de radioactivité et d isotope, sont des atomes dont le noyau est instable et donc radioactif. Cette instabilité peut être due à un excès de protons, de neutrons ou des… …   Wikipédia en Français

• nuclear medicine — diagnostic and therapeutic medical techniques using radionuclides or radioisotopes. [1950 55] * * * Medical specialty using radioactive elements or isotopes for diagnosis and treatment of disease. A radioisotope is introduced into the body… …   Universalium

• radio- — ♦ Élément, du rad. lat. radius « rayon » ou de radiation. Élément qui signifie en chimie « radioactif » ou « isotope radioactif » devant le nom d un corps chimique. radio élément, tiré de radiodiffusion. radio élément, tiré du rad. lat. radius …   Encyclopédie Universelle

• Technetium-99m — is a metastable nuclear isomer of technetium 99, symbolized as 99mTc. The m indicates that this is a metastable nuclear isomer, i.e. it does not change into another element (transmutate) upon its decay . It is a gamma ray emitting isotope used in …   Wikipedia

• ISOTOPES — Les atomes sont constitués d’un noyau autour duquel gravitent Z électrons. Le noyau atomique est lui même composé de Z protons portant chacun une charge positive unité et de N neutrons non chargés. Les masses du proton et du neutron étant… …   Encyclopédie Universelle

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

• geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …   Universalium

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Nuclear medicine — Intervention ICD 10 PCS C ICD 9: 92 …   Wikipedia