单词 | heteronereis |
释义 | > as lemmasˌheteroˈnereis ˌheteroˈnereis n. Brit. /ˌhɛt(ə)rə(ʊ)ˈnɪərɪɪs/ , /ˌhɛt(ə)rə(ʊ)ˈnɛrɪɪs/ , U.S. /ˌhɛdəroʊˈnɪriᵻs/ , /ˌhɛdərəˈnɪriᵻs/ Zoology a dimorphic sexual form of certain worms of the genus Nereis, so called because originally regarded as a distinct genus; also attributive.ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Chaetopoda > order Polychaeta > suborder Nereidiformia > genus Nereis > member of heteronereis1875 heteronereid1896 1875 Encycl. Brit. II. 67/1 Another [sexual form] which becomes transformed into a Heteronereis before the sexual elements are developed. 1880 F. M. Balfour Treat. Compar. Embryol. I. xii. 284 Claparède traced the passage of large asexual examples of the Nereis form into the large Heteronereis form. < as lemmas |
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