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expression
expression definition - medical
ex·pres·sion (ĭk-sprĕshˈən)
noun- The act of pressing or squeezing out.
- The outward manifestation of a mood or disposition by mobility of the facial features; facies.
- The phenotype manifested by a genotype under fixed environmental conditions.
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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