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单词 dicyemid
释义

dicyemidn.

Brit. /dʌɪˈsʌɪəmɪd/, /ˌdʌɪsʌɪˈiːmɪd/, U.S. /ˌdaɪˈsaɪəˌməd/, /ˌdaɪsaɪˈiməd/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Dicyema , -id suffix3.
Etymology: < scientific Latin Dicyema, genus name (R. A. von Kölliker 1849, in Berichte von der Königlichen Zootomischen Anstalt zu Würzburg 8 59) + -id suffix3. Compare French dicyemide (E. van Beneden 1876, in Bull. Acad. Royale de Belgique 41 1065), and scientific Latin Dicyemidae, family name (E. van Beneden, 1882) and Dicyemida, order name (R. A. von Kölliker, 1882).
Zoology.
Any microscopic worm of the rhombozoan group Dicyemida, having a complicated life cycle with two kinds of larvae. Also attributive.The Dicyemida have been treated as an order of the phylum Mesozoa or of the phylum Rhombozoa. The name is now frequently regarded as a preferred synonym of the phylum Rhombozoa.
ΚΠ
?1883 Mittheilungen aus der Zool. Station zu Neapel 4 75 The Dicyemids may be said to have a transient triploblastic stage.
1911 Jrnl. Microsc. Soc. 51 The author indicates the resemblances between this parasite and Orthonectids and Dicyemids.
1948 Science 19 Nov. 566/1 New genera were erected for the dicyemid parasites of each genus of cephalopods other than Octopus.
2002 Jrnl. Parasitol. 88 327/2 Most dicyemids are host specific and typically only 1 species of dicyemid occurs in a given species of cephalopod host.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).
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n.?1883
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