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second intermediate host造句

"second intermediate host"是什么意思   

例句與造句

  1. Freshwater fish are a second intermediate host for the parasitic worm.
  2. The trematodes infect bird final hosts when birds eat second intermediate hosts.
  3. Transmission occurs when the definitive host preys upon an infected second intermediate host.
  4. The second intermediate host is a salmonid fish, though some non-salmonid fishes also play a role.
  5. These offspring infect second intermediate hosts ( various invertebrates and fishes ) where they form cysts ( metacercariae ).
  6. It's difficult to find second intermediate host in a sentence. 用second intermediate host造句挺難的
  7. The second intermediate host include fish " Nipponocypris temminkii " and " Zacco platypus ".
  8. Copepods ( freshwater crustaceans ) are the first intermediate hosts, and various amphibians and reptiles are second intermediate hosts.
  9. Cercariae next invade the second intermediate host such as crabs or crayfish and encyst to develop into metacercariae within 2 months.
  10. The cercariae penetrate a second intermediate host, or they remain in the first intermediate host, where they form metacercariae.
  11. First intermediate hosts include copepods and other fresh-water crustaceans, while second intermediate hosts include birds, reptiles, and amphibians.
  12. Second, humans may acquire the infection by consuming the raw flesh of one of the second intermediate hosts, such as frogs or snakes.
  13. "Parafossarulus spiridonovi " serves as the second intermediate host for the trematode " Sphaeridiotrema monorchis " ( experimental infection ).
  14. Humans are accidental hosts in the cycle, becoming infected with the plerocercoid larvae by contact with or ingestion of the first or second intermediate hosts.
  15. It is hypothesised that the free cercaria in water bodies, accidentally, find and penetrate these animals as second intermediate host, where they encsyt as metacercaria.
  16. Nevertheless, these small second intermediate hosts can be eaten by larger predator species, for example trout, perch, walleye, and bothria ) of their scolex.
  17. 更多例句:  下一頁

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