Definition of miracidium in English:
noun (plural miracidia /ˌmʌɪrəˈsɪdɪə/)Zoology
A free-swimming ciliated larval stage in which a parasitic fluke passes from the egg to its first host, typically a snail.
- Generally, host seeking by miracidia includes a complicated behavioral process that is initiated through a combination of light and gravity stimuli.
- Not only do P. sinitsini become adults in E. symmetrica, but eggs are produced and hatch inside the daughter sporocysts, releasing free-swimming miracidia.
- Larval stages of some medically important species include miracidium, redia, cercaria, and metacercaria.
Late 19th century: from Greek meirakidion, diminutive of meirakion 'boy, stripling'.
Definition of miracidium in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.