monostomeadj.n.

Brit.

/ˈmɒnə(ʊ)stəʊm/, U.S.

/ˈmɑnəˌstoʊm/

Origin: A borrowing from Latin. Etymon: Latin monostomus.

Etymology: < scientific Latin monostomus (see monostomous adj.); compare -stome comb. form. In the specific noun use after scientific Latin Monostoma, former genus name of a trematode (J. A. E. Goeze (ed. J. H. G. Zeder) Erster Nachtrag zur Naturgeschichte der Eingeweidewürmer (1800) 147). Compare French monostome , adjective (1868 in Littré) and noun (1812 in specific sense). Compare slightly earlier monostomous adj.

Zoology.

A. adj.

Having a single mouth or mouthlike structure; spec. (of a digenean trematode) lacking a ventral sucker and having only an oral sucker.

ΘΚΠ

the world > animals > animal body > general parts > head and neck > [adjective] > having one mouth

monostomous1848

monostome1849

monostomatous1871

1849 T. H. Huxley in Philos. Trans. (Royal Soc.) 139 426 The stomachal membrane of the Monostome Medusæ.

1922 E. C. Harrah N. Amer. Monostomes 34 The life history of this group is relatively unknown, although the earliest record of a monostome larva is said to date from 1817.

1977 Indian Jrnl. Animal Sci. 47 663 The monostome fluke is characterised by the genital pore just behind the oral sucker.

1993 Southeast Asian Jrnl. Trop. Med. & Public Health 24 697 In addition to two lophocercous cercariae, a monostome cercaria.., two different furcocercariae and adiocercaria were found.

B. n.

An animal with a single mouth or mouthlike structure; spec. a monostome trematode.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > [noun] > member of > member of family Monostomidae

monostome1851

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Trematodes > order Digenea > suborder Prostomata > member of Monostomidae

monostome1851

1851 R. Owen in Edinb. New Philos. Jrnl. 50 273 They..become circular flattened pupæ: and are finally metamorphosed into monostomes.

1861 Jrnl. Linn. Soc.: Zool. 5 38 The absence, however, of a ventral sucker..points to a closer alliance with the Monostomes.

1922 E. C. Harrah (title) North American monostomes, primarily from fresh water hosts.

1951 L. H. Hyman Invertebrates II. x. 223 In a number of cases, the acetabulum has been secondarily lost; and such flukes, having only an oral sucker, are referred to as monostomes, although this character does not indicate relationship.

1999 Oecologia 121 32 The difference in prevalence of infection was not significant when only populations with monostomes were compared.

This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).

单词	monostome
释义	monostomeadj.n. Brit. /ˈmɒnə(ʊ)stəʊm/, U.S. /ˈmɑnəˌstoʊm/ Origin: A borrowing from Latin. Etymon: Latin monostomus. Etymology: < scientific Latin monostomus (see monostomous adj.); compare -stome comb. form. In the specific noun use after scientific Latin Monostoma, former genus name of a trematode (J. A. E. Goeze (ed. J. H. G. Zeder) Erster Nachtrag zur Naturgeschichte der Eingeweidewürmer (1800) 147). Compare French monostome , adjective (1868 in Littré) and noun (1812 in specific sense). Compare slightly earlier monostomous adj. Zoology. A. adj. Having a single mouth or mouthlike structure; spec. (of a digenean trematode) lacking a ventral sucker and having only an oral sucker. ΘΚΠ the world > animals > animal body > general parts > head and neck > [adjective] > having one mouth monostomous1848 monostome1849 monostomatous1871 1849 T. H. Huxley in Philos. Trans. (Royal Soc.) 139 426 The stomachal membrane of the Monostome Medusæ. 1922 E. C. Harrah N. Amer. Monostomes 34 The life history of this group is relatively unknown, although the earliest record of a monostome larva is said to date from 1817. 1977 Indian Jrnl. Animal Sci. 47 663 The monostome fluke is characterised by the genital pore just behind the oral sucker. 1993 Southeast Asian Jrnl. Trop. Med. & Public Health 24 697 In addition to two lophocercous cercariae, a monostome cercaria.., two different furcocercariae and adiocercaria were found. B. n. An animal with a single mouth or mouthlike structure; spec. a monostome trematode. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > [noun] > member of > member of family Monostomidae monostome1851 the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Trematodes > order Digenea > suborder Prostomata > member of Monostomidae monostome1851 1851 R. Owen in Edinb. New Philos. Jrnl. 50 273 They..become circular flattened pupæ: and are finally metamorphosed into monostomes. 1861 Jrnl. Linn. Soc.: Zool. 5 38 The absence, however, of a ventral sucker..points to a closer alliance with the Monostomes. 1922 E. C. Harrah (title) North American monostomes, primarily from fresh water hosts. 1951 L. H. Hyman Invertebrates II. x. 223 In a number of cases, the acetabulum has been secondarily lost; and such flukes, having only an oral sucker, are referred to as monostomes, although this character does not indicate relationship. 1999 Oecologia 121 32 The difference in prevalence of infection was not significant when only populations with monostomes were compared. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < adj.n.1849
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