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mac·ra·can·tho·rhyn·chi·a·sis | \ ˌmak-rə-ˌkan(t)-thə-riŋ-ˈkī-ə-səs 
\
\ plural macracanthorhynchiases\ -ˌsēz \
\Medical Definition of macracanthorhynchiasis
: infestation with or disease caused by an acanthocephalan worm of the genus Macracanthorhynchus
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