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单词 mesogastropod
释义

mesogastropodn.

Brit. /ˌmɛsə(ʊ)ˈɡastrəpɒd/, U.S. /ˌmɛzoʊˈɡæstrəˌpɑd/; see also meso- comb. form.
Origin: A borrowing from Latin. Etymon: Latin Mesogastropoda.
Etymology: < scientific Latin Mesogastropoda, order name (J. Thiele in W. Kükenthal and T. Krumbach Handb. der Zool. (1925) V. i. 74) < meso- meso- comb. form + Gastropoda gasteropoda n.
Zoology.
A prosobranch gastropod of the order Mesogastropoda, comprising chiefly marine molluscs which possess only one monopectinate gill, auricle, and nephridium, and a radula with seven teeth in a transverse row.
ΚΠ
1955 Philos. Trans. (Royal Soc.) B. 239 150 In very few mesogastropods do these pouches appear in their primitive form.
1958 J. E. Morton Molluscs ii. 32 The highest and largest mesogastropods belong to the superfamily Doliacea.
1975 Nature 15 May 233/1 Calcified eggs have also been reported from land archaeogastropods and from some of those mesogastropods which deposit their eggs on land.
1990 Jrnl. Molluscan Stud. 56 147/2 In freshwater mesogastropods..the production of copious hyposmotic urine necessitates rapid resorption, not only of organic solutes, but also of ions.
This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022).
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n.1955
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