gastroanastomosis

noun
gas·​tro·​anas·​to·​mo·​sis | \ˌga-(ˌ)strō-ə-ˌnas-tə-ˈmō-səs \
plural gastroanastomoses\-​ˌsēz \

Medical Definition of gastroanastomosis 

: the formation by surgical means of a communication between the pyloric and cardiac ends of the stomach when the normal channel is obstructed or contracted

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