fractionation

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fractionation

 [frak″shun-a´shun]
1. in radiology, division of the total dose of radiation into small doses given at intervals.
2. in chemistry, separation of a substance into components, as by distillation or crystallization.
3. in histology, isolation of components of living cells by differential centrifugation.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

frac·tion·a·tion

(frak'shŭn-ā'shŭn),
1. To separate components of a mixture.
2. The administration of a course of therapeutic radiation of a neoplasm in a planned series of fractions of the total dose, most often once a day for several weeks, in order to minimize radiation damage of contiguous normal tissues.
Farlex Partner Medical Dictionary © Farlex 2012

fractionation

(frăk′shə-nā′shən)
n.
1. The process of dividing or separating into parts; breaking up.
2. The division of a total therapeutic dose of radiation into small doses to be administered over a period of days or weeks.
3. The separation of a chemical compound into components, as by distillation.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

fractionation

Radiation oncology The parceling of a dose of radiation over time. See Accelerated fractionation, Hyperfractionation, Radiation therpy.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

frac·tion·a·tion

(frakshŭn-āshŭn)
1. Separation of the components of a mixture into its basic constituents.
2. The administration of a course of therapeutic radiation in a planned series of fractions of the total dose, most often once a day for several weeks, to minimize radiation damage of contiguous normal tissues.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Fractionation

A laboratory test or process in which blood or another fluid is broken down into its components. Fractionation can be used to assess the proportions of the different types of cholesterol in a blood sample.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

frac·tion·a·tion

(frakshŭn-āshŭn)
1. Separation of the components of a mixture into its basic constituents.
2. The administration of a course of therapeutic radiation of a neoplasm in a planned series of fractions of the total dose, most often once a day for several weeks, to minimize radiation damage.
Medical Dictionary for the Dental Professions © Farlex 2012