单词 | phylactocarp |
释义 | phylactocarpn. Zoology. A receptacle in certain hydrozoans protecting the gonothecae. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of order Hydroidea > receptacle protecting gonothecae phylactocarp1883 1883 G. J. Allman in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. VII. iii. 10 The term phylactocarp may be used as a..general expression for the various forms under which the apparatus destined for the protection of the gonangia shows itself in the phylactocarpal Plumularidæ... The commonest and longest known form of phylactocarp is the corbula of Aglaophenia. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 759 A ramulus, hydrocladium or theca-bearing portion of a branch, becomes modified to form a phylactocarp for the gonothecae. 1986 Philos. Trans. (Royal Soc.) B. 313 61 The latter [sc. hydrozoans of the family Plumulariidae] are characterized by nematothecae and cormidia but..frequently have special colonial reproductive structures (phylactocarps and corbulae). Derivatives phylactoˈcarpal adj. rare provided with a phylactocarp. ΚΠ 1883 G. J. Allman in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. VII. iii. 10 The phylactocarpal Plumularidæ. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1883 |
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