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单词 myzostoma
释义

Myzostoman.

Brit. /ˌmʌɪzə(ʊ)ˈstəʊmə/, U.S. /ˌmaɪzoʊˈstoʊmə/
Origin: A borrowing from Latin. Etymon: Latin Myzostoma.
Etymology: < scientific Latin Myzostoma, genus name (F. S. Leuckart, reported in Amtlicher Bericht über die Versammlung Deutscher Naturforscher u. Ärzte (1829) 57; earlier as Myzostomum : Leuckart 1827, in Versuch einer naturgemässen Eintheilung der Helminthen 24) < ancient Greek μύζειν to suck (see myzont n.) + stoma n. N.E.D. (1908) gives the pronunciation as (məizǫ·stŏmă) /maɪˈzɒstəmə/.
Zoology.
An annelid worm of the genus Myzostoma or the class Myzostomida; (also) the genus itself. Cf. myzostomid n. and adj.Valid publication of the genus name: F. S. Leuckart 1836, in Notizen aus dem Gebiete der Natur- u. Heilkunde 50 130.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > member of class Myzostomida
Myzostoma1871
myzostome1876
myzostomid1902
1871 Amer. Naturalist 5 434 The digestive canal is occupied by the following Coinosites:—Fierasper, [etc.]..the exterior by Myzostoma, Cyamus, Pycnongonon, Caprella and Chætogaster.
1885 Nature 5 Nov. 8/2 I have found Myzostoma-cysts or other modifications of the pinnule-joints on individuals from Torquay [etc.].
1907 Amer. Naturalist 41 286 J. F. McClendon has described four new species of Myzostoma..obtained from the collection of crinoids in the National Museum.
1989 Proc. Biol. Soc. Washington 102 803/1 Myzostoma Leuckart is the largest genus of the Myzostomida, a group of obligately echinoderm-associated worms of unsettled zoological affinities.
1994 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (ed. 6) xi. 528 (caption) Myzostoma, a commensal on crinoids.

Derivatives

myzoˈstomatous adj. rare Apparently only attested in dictionaries or glossaries.
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1908 N.E.D. at Myzostoma Myzostomatous.
myzoˈstomous adj. rare Apparently only attested in dictionaries or glossaries.
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1890 Cent. Dict. Myzostomous, of or pertaining to the Myzostomida or having their characters.
This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).
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n.1871
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