† mesostomen.

Origin: A borrowing from French. Etymon: French mésostome.

Etymology: < French mésostome (1830 A. Dugès, in Ann. des sci. nat. 21 76) < méso- meso- comb. form + -stome -stome comb. form. Compare scientific Latin Mesostoma, genus name (C. G. Ehrenberg 1835, in Physikalische Abhandl. der K. Akad. der Wissensch. zu Berlin (1837) 244). N.E.D. (1906) gives the pronunciation as (me·sostō^um) /ˈmɛsəʊstəʊm/.

Zoology. Obsolete. rare.

A turbellarian flatworm of the genus Mesostoma.

ΚΠ

1876 P. J. Van Beneden Animal Parasites & Messmates 161 In the autumn of 1871, nearly all the mesostomes perished through the presence of those parasitical organisms.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2019).

单词	mesostome
释义	† mesostomen. Origin: A borrowing from French. Etymon: French mésostome. Etymology: < French mésostome (1830 A. Dugès, in Ann. des sci. nat. 21 76) < méso- meso- comb. form + -stome -stome comb. form. Compare scientific Latin Mesostoma, genus name (C. G. Ehrenberg 1835, in Physikalische Abhandl. der K. Akad. der Wissensch. zu Berlin (1837) 244). N.E.D. (1906) gives the pronunciation as (me·sostō^um) /ˈmɛsəʊstəʊm/. Zoology. Obsolete. rare. A turbellarian flatworm of the genus Mesostoma. ΚΠ 1876 P. J. Van Beneden Animal Parasites & Messmates 161 In the autumn of 1871, nearly all the mesostomes perished through the presence of those parasitical organisms. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2019). < n.1876
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