cysticercoids造句

• When ingested, the eggs develop into cysticercoids.
• In five to six days, cysticercoids emerge into the lumen of the small intestine, where they attach and mature.
• As the definitive host ( rats ) eats an infected arthropod, cysticercoids present in the body cavity transform into the adult worm.
• One reason for facultative nature of the lifecycle is that " H . nana " cysticercoids can develop at higher temperatures than can those of the other hymenolepidids.
• The direct lifecycle is doubtless a recent modification of the ancestral two-host lifecycle found in other species of hymenolepidids, because cysticercoids of " H . nana " can still develop normally within larval fleas and beetles.
• In a behavioral study of the beetle " Tenebrio molitor " with cysticercoids of the rat tapeworm " H . diminuta ", findings suggested that the parasite impairs a beetle's ability to conceal itself.