单词 | heterozooid |
释义 | > as lemmasheteroˈzooid heteroˈzooid n. Brit. /ˌhɛt(ə)rə(ʊ)ˈzuːɔɪd/ , /ˌhɛt(ə)rə(ʊ)ˈzəʊɔɪd/ , /ˌhɛt(ə)rə(ʊ)ˈzuːɪd/ , U.S. /ˌhɛdəroʊˈzoʊˌɔɪd/ , /ˌhɛdəroʊˈzuˌɔɪd/ , /ˌhɛdərəˈzoʊˌɔɪd/ , /ˌhɛdərəˈzuˌɔɪd/ Zoology any reduced or modified form of the typical bryozoan zooid, found chiefly in the class Gymnolæmata.ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Polyzoa > [noun] > class Ectoprocta > order Gymnolaemata > member of heterozooecium1909 heterozooid1909 1909 G. M. R. Levinsen Cheilostomatous Bryozoa 46 We can distinguish between four main forms of individuals (Bryozooids):..Heterozoœcia (Heterozooids), which have no intestinal canal, and at most have a trace of a polypide in a small cell-body, furnished with a circle of fine bristles. The chamber contains a strong muscular apparatus for moving the operculum. 1959 L. H. Hyman Invertebrates V. xx. 325 Other types of zooids are termed collectively heterozooids and are characterized by the reduction of the polypide, which loses its nutritive and reproductive function. < as lemmas |
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