World English Dictionary
pylorectomy (ˌpaɪlɔːˈrɛktəmɪ)
n , pl -mies
the surgical removal of all or part of the pylorus, often including the adjacent portion of the stomach (partial gastrectomy)

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American Heritage
Medical Dictionary

pylorectomy py·lo·rec·to·my (pī'lə-rěk'tə-mē)
Surgical removal of the pylorus. Also called gastropylorectomy, pylorogastrectomy.

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