backscatter(redirected from backward scatter)
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in radiology, radiation deflected by scattering processes at angles greater than 90 degrees to the original direction of the beam of radiation.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Secondary radiation deflected more than 90° from the primary beam. See: scattered radiation.
Farlex Partner Medical Dictionary © Farlex 2012
One of two parameters measured in flow cytometry, which is detected at a 90º angle to a laser light beam and corresponds to the fluorescence of individual cells or intracellular components stained with rhodamine- or isothiocyanate-labelled monoclonal antibodies.
Electromagnetic radiation—usually understood to be photons, but also ultrasonic waves, etc.—that reflects > 90º from the source, or back in the general direction of a source.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Deflection of diagnostic radiation at angles exceeding 90 degrees to the direction of the beam.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012