The tapeworms most commonly found in the human alimentary canal are taenia solium also called the pork tapeworm or armed tapeworm , taenia saginata the beef tapeworm or unarmed tapeworm , and hymenolepis nana the dwarf tapeworm 在人體消化道內(nèi)寄生的絳蟲,常見的有豬肉絳蟲又名有鉤絳蟲牛肉絳蟲又名無鉤絳蟲和短小絳蟲等,現(xiàn)在以豬肉絳蟲為例說明。