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functional residual capacity

functional residual capacity in Medicine

functional residual capacity n.
Abbr. FRC
The volume of gas remaining in the lungs at the end of a normal expiration. Also called functional residual air.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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