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单词 phylactolaematous
释义

phylactolaematousadj.

Brit. /fᵻˌlaktə(ʊ)ˈliːmətəs/, U.S. /fəˌlæktəˈlimədəs/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Phylactolaemata , -ous suffix.
Etymology: < scientific Latin Phylactolaemata, class name ( G. J. Allman Monogr. Fresh-water Polyzoa (1856) 10; < Hellenistic Greek ϕυλακτός (see phylactocarp n.) + ancient Greek λαιμός throat (see megaleme n.) + scientific Latin -ata , as if derived from an ancient Greek noun ending in -ματ- , -μα : see -oma comb. form) + -ous suffix.
Zoology.
Of or relating to the class Phylactolaemata of freshwater bryozoans, characterized by the presence of an epistome overhanging the mouth.
ΚΠ
1856 G. J. Allman Monogr. Fresh-water Polyzoa 46 There is another part of the organization of the Polyzoa for which we have still to find an equivalent.., namely the epistome of the phylactolæmatous Polyzoa.
1877 T. H. Huxley Man. Anat. Invertebrated Animals viii. 461 Between the bases of the arms there is a rounded or pentagonal disk with raised and ciliated edges, which occupies the place of the epistoma in the phylactolaematous Polyzoa.
1934 Science 1 June 510/2 The phylactolaematous bryozoa of eastern North America had been so faithfully collected and studied..that it seemed impossible that this very abundant form could have been overlooked.
1966 Ecol. Monogr. 36 120/2 An evolutionary explanation for the differences in longevity of gymnolaematous marine and phylactolaematous freshwater ectoprocts is suggested by the differences in the apportionment of reproductive energy manifested by the two groups.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1856
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