constrictor

constrictor definition - medical

con·stric·tor (kən-strĭkˈtər)

noun
One that constricts, especially a muscle that contracts or compresses a part or organ of the body.

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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