microbubble

microbubble
A microscale bubble, used in medical diagnostics as a contrast agent for ultrasound imaging.

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  • microbubble — mi·cro·bub·ble (mīʹkrō bŭb əl) n. An extremely small bubble, usually only a few hundred micrometers in diameter, that can be uniformly suspended in a liquid such as blood. * * * …   Universalium

  • microbubble — micro·bubble …   English syllables

  • microbubble — ˌˌ noun Etymology: micr + bubble (II) : a microscopic bubble …   Useful english dictionary

  • Contrast-enhanced ultrasound — (CEUS) is the application of ultrasound contrast medium to traditional medical sonography. Ultrasound contrast agents rely on the different ways in which sound waves are reflected from interfaces between substances. This may be the surface of a… …   Wikipedia

  • Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… …   Wikipedia

  • Echogenicity — (misspelled sometimes as echogenecity) is the ability to create an echo, i.e. return a signal in ultrasound examinations. Echogenicity could be increased by intravenously administering gas filled microbubble contrast agent to the systemic… …   Wikipedia

  • Preclinical imaging — is the visualization of animals for research purposes, such as drug development. Imaging modalities have long been crucial to the researcher in observing changes, either at the organ, tissue, cell, or molecular level, in animals responding to… …   Wikipedia

  • Microbubbles — are bubbles smaller than one millimetre in diameter, but larger than one micrometre. They are used in medical diagnostics as a contrast agent for ultrasound imaging.[1] The gas filled, e.g. air or perfluorocarbon, microbubbles oscillate and… …   Wikipedia

  • Cavitation — is defined as the phenomenon of formation of vapour bubbles of a flowing liquid in a region where the pressure of the liquid falls below its vapour pressure. Cavitation is usually divided into two classes of behavior: inertial (or transient)… …   Wikipedia

  • Doppler effect — Change of wavelength caused by motion of the source. An animation illustrating how the Doppler effect causes a car engine or siren to soun …   Wikipedia

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