| 词汇 | example_english_intermediate-host |
| 释义 | intermediate hostcollocation in Englishmeanings of intermediateand hostThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with host. intermediate adjective uk /ˌɪn.təˈmiː.di.ət/ us /ˌɪn.t̬ɚˈmiː.di.ət/ being between two other related things, levels, ... See more at intermediate host noun uk /həʊst/ us /hoʊst/ someone who ... See more at host Examples of intermediate hostThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. It is possible that the first intermediatehost is only infective during a specific season other than late summer/early autumn. The strength of interactions was assessed from differences in the size achieved by infective cystacanths in the intermediatehost. The first intermediatehost of each of the three species was identified, but unfortunately snail densities were never monitored. For instance, progenesis and egg production within a second intermediatehost must require uptake of nutrients from this host. Without exception, each mollusc species serves as first intermediatehost to at least one trematode species. The intermediatehost snail at first appeared to be confined to this single, and potentially controllable, water system. Therefore, the last section of the review summarises the patterns and processes occurring in larval helminth species interacting in a shared invertebrate, intermediatehost. Second, the free-swimming, but short-lived, cercariae emerging from the first intermediatehost must invade a suitable second intermediatehost. The test is suitable for epidemiological studies and eradication programmes for the whole intermediatehost range of the parasite. Only experimental studies will help to understand the physiological and molecular interaction of this cestode and its intermediatehost. In addition to helminth species, the site of parasitism (mainly intestinal), likely intermediatehost(s), and geographic location were also noted. Cysts are generally fertile in the wild intermediatehost species. First, eggs released from adult worms in the definitive host (usually a vertebrate) hatch into larvae that must find a suitable mollusc first intermediatehost. In both the intermediatehost and particularly the definitive host, there is a large degree of aggregation of parasites. Finally, encysted metacercariae within the second intermediatehost must be ingested by a suitable vertebrate definitive host for the parasite to become an egg-producing adult. Protective immunity may be stimulated by exposure to the parasite and may have a different significance in the definitive or intermediatehost. Previous studies indicate that the interaction between the tapeworm and its copepod intermediatehost is characterized by a high degree of specificity. Supportive evidence for an absence of immunity due to natural challenge in the intermediatehost has been reported in a number of studies. Thus, understanding parasite-mediated intermediatehost manipulation is of great importance if we are to manage host populations and animal communities effectively. We focus upon the significance of changes in the force of infection and the age structure of the intermediatehost population. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Want to learn more? Go to the definition of intermediate Go to the definition of host See other collocations with host |
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