Definition of miracidium in English:

miracidium

nounPlural miracidia ˌmʌɪrəˈsɪdɪəmˌmīrəˈsidēəm

Zoology

A free-swimming ciliated larval stage in which a parasitic fluke passes from the egg to its first host, typically a snail.
〔动〕纤毛幼虫，毛蚴
Example sentencesExamples
- Larval stages of some medically important species include miracidium, redia, cercaria, and metacercaria.
- By following this pathway, miracidia are immediately ready to infect other snails, thus by-passing two hosts in the parasite's life cycle, and creating the opportunity for direct, snail-to-snail transmission.
- Not only do P. sinitsini become adults in E. symmetrica, but eggs are produced and hatch inside the daughter sporocysts, releasing free-swimming miracidia.
- Whereas SmHox8, SmHox1, and Smox1 were all strongly expressed in eggs and miracidia compared to other stages, SmHox1 was much more weakly expressed in all the other stages.
- Generally, host seeking by miracidia includes a complicated behavioral process that is initiated through a combination of light and gravity stimuli.

Origin

Late 19th century: from Greek meirakidion, diminutive of meirakion 'boy, stripling'.

Definition of miracidium in US English:

miracidium

nounˌmīrəˈsidēəm

Zoology

A free-swimming ciliated larval stage in which a parasitic fluke passes from the egg to its first host, typically a snail.
〔动〕纤毛幼虫，毛蚴
Example sentencesExamples
- Larval stages of some medically important species include miracidium, redia, cercaria, and metacercaria.
- Whereas SmHox8, SmHox1, and Smox1 were all strongly expressed in eggs and miracidia compared to other stages, SmHox1 was much more weakly expressed in all the other stages.
- By following this pathway, miracidia are immediately ready to infect other snails, thus by-passing two hosts in the parasite's life cycle, and creating the opportunity for direct, snail-to-snail transmission.
- Not only do P. sinitsini become adults in E. symmetrica, but eggs are produced and hatch inside the daughter sporocysts, releasing free-swimming miracidia.
- Generally, host seeking by miracidia includes a complicated behavioral process that is initiated through a combination of light and gravity stimuli.

Origin

Late 19th century: from Greek meirakidion, diminutive of meirakion ‘boy, stripling’.

词汇	miracidium
释义	Definition of miracidium in English: miracidium nounPlural miracidia ˌmʌɪrəˈsɪdɪəmˌmīrəˈsidēəm Zoology A free-swimming ciliated larval stage in which a parasitic fluke passes from the egg to its first host, typically a snail. 〔动〕纤毛幼虫，毛蚴 Example sentencesExamples Larval stages of some medically important species include miracidium, redia, cercaria, and metacercaria. By following this pathway, miracidia are immediately ready to infect other snails, thus by-passing two hosts in the parasite's life cycle, and creating the opportunity for direct, snail-to-snail transmission. Not only do P. sinitsini become adults in E. symmetrica, but eggs are produced and hatch inside the daughter sporocysts, releasing free-swimming miracidia. Whereas SmHox8, SmHox1, and Smox1 were all strongly expressed in eggs and miracidia compared to other stages, SmHox1 was much more weakly expressed in all the other stages. Generally, host seeking by miracidia includes a complicated behavioral process that is initiated through a combination of light and gravity stimuli. Origin Late 19th century: from Greek meirakidion, diminutive of meirakion 'boy, stripling'. Definition of miracidium in US English: miracidium nounˌmīrəˈsidēəm Zoology A free-swimming ciliated larval stage in which a parasitic fluke passes from the egg to its first host, typically a snail. 〔动〕纤毛幼虫，毛蚴 Example sentencesExamples Larval stages of some medically important species include miracidium, redia, cercaria, and metacercaria. Whereas SmHox8, SmHox1, and Smox1 were all strongly expressed in eggs and miracidia compared to other stages, SmHox1 was much more weakly expressed in all the other stages. By following this pathway, miracidia are immediately ready to infect other snails, thus by-passing two hosts in the parasite's life cycle, and creating the opportunity for direct, snail-to-snail transmission. Not only do P. sinitsini become adults in E. symmetrica, but eggs are produced and hatch inside the daughter sporocysts, releasing free-swimming miracidia. Generally, host seeking by miracidia includes a complicated behavioral process that is initiated through a combination of light and gravity stimuli. Origin Late 19th century: from Greek meirakidion, diminutive of meirakion ‘boy, stripling’.
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