[ sfĭngk′tə-rĕk′tə-mē ]
Excision of a portion of the pupillary border of the iris.
Excision of a sphincter muscle.
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Words nearby sphincterectomy
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.