critical organ

critical organ definition - medical

critical organ

noun
The organ or physiological system that would first be subjected to radiation in excess of the maximum permissible amount as the dose of a radioactive material is increased.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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