metacercarian.

Brit.

/ˌmɛtəsəːˈkɛːrɪə/, U.S.

/ˈˌmɛdəˌsərˈkɛriə/

Inflections: Plural metacercariae.

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: meta- prefix, Cercaria n.

Etymology: < meta- prefix + Cercaria n., after French métacercaire (R. Dollfus 1912, in Mém. de la Soc. Zool. de France 25 87).

Zoology.

The encysted final larval form of a trematode (parasitic worm), into which a cercaria develops prior to assuming the adult form in the definitive host.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Trematodes > member of > final larval form of

metacercaria1925

1925 Amer. Naturalist 59 502 The adolescaria.., or agamostome stage, intermediate in maturity between the cercaria and the adult form in the vertebrate host. [Note] Dollfus's term ‘metacercaria’, designating this stage, is neither based on sound morphological nor on genetic evidence.

1926 Trans. Amer. Microsc. Soc. 45 13 Superfamily Strigeoidea... Metacercariae in snails, leeches, fish, amphibia.

1930 E. C. Faust Human Helminthol. ii. 32 After the cercaria emerges from the mollusc and discards its tail it is spoken of as the metacercaria or adolescaria.

1978 Nature 21 Sept. 216/1 Resistance..operates against intraperitoneally implanted metacercariae, juvenile or adult flukes as well as against orally administered metacercariae.

1988 J. C. Bell et al. Zoonoses 148 Cercariae develop into metacercariae, which migrate into the bile ducts of definitive hosts after they eat the fish.

1999 Jrnl. Invertebr. Pathol. 74 275 Metacercariae of the trematode Renicola roscovita had a prevalence of almost 54% in a population [of mussels] from Lilla Baelt.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	metacercaria
释义	metacercarian. Brit. /ˌmɛtəsəːˈkɛːrɪə/, U.S. /ˈˌmɛdəˌsərˈkɛriə/ Inflections: Plural metacercariae. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: meta- prefix, Cercaria n. Etymology: < meta- prefix + Cercaria n., after French métacercaire (R. Dollfus 1912, in Mém. de la Soc. Zool. de France 25 87). Zoology. The encysted final larval form of a trematode (parasitic worm), into which a cercaria develops prior to assuming the adult form in the definitive host. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Trematodes > member of > final larval form of metacercaria1925 1925 Amer. Naturalist 59 502 The adolescaria.., or agamostome stage, intermediate in maturity between the cercaria and the adult form in the vertebrate host. [Note] Dollfus's term ‘metacercaria’, designating this stage, is neither based on sound morphological nor on genetic evidence. 1926 Trans. Amer. Microsc. Soc. 45 13 Superfamily Strigeoidea... Metacercariae in snails, leeches, fish, amphibia. 1930 E. C. Faust Human Helminthol. ii. 32 After the cercaria emerges from the mollusc and discards its tail it is spoken of as the metacercaria or adolescaria. 1978 Nature 21 Sept. 216/1 Resistance..operates against intraperitoneally implanted metacercariae, juvenile or adult flukes as well as against orally administered metacercariae. 1988 J. C. Bell et al. Zoonoses 148 Cercariae develop into metacercariae, which migrate into the bile ducts of definitive hosts after they eat the fish. 1999 Jrnl. Invertebr. Pathol. 74 275 Metacercariae of the trematode Renicola roscovita had a prevalence of almost 54% in a population [of mussels] from Lilla Baelt. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1925
随便看	indefinition indefinitism indefinitive indefinitively indefinitiveness indefinito indefinito- indefinito-definite indefinitodefinite indefinitude indefinity indefinityes indefinitys indeflectible indeflectibly indeflexible indeflore indeflourishing indeformable indehiscence indehiscences indehiscent indeign indelayed indelayedly