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Phy·sa·lop·tera | \ ˌfī-sə-ˈläp-tə-rə 
, ˌfis-ə- \
, ˌfis-ə- \Medical Definition of Physaloptera
: a large genus of spiruroid nematode worms (family Physalopteridae) parasitic in the digestive tract of various vertebrates including humans
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