单词 | spermatozoid |
释义 | spermatozoidn. 1. Botany. A minute fertilizing body or cell in Cryptogamia and Algæ. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > parts of > cells > reproductive cell or gamete > male gamete phytozoon1845 antherozoid1853 spermatozoid1857 pollinoid1881 1857 A. Henfrey Elem. Course Bot. 511 Spermatozoids are filiform bodies of various forms, mostly presenting one or more spiral curves, or minute globules. 1863 M. J. Berkeley Handbk. Brit. Mosses iii. 18 An oblong sac..filled with cellular tissue, each ultimate cell of which..gives birth to a spermatozoid. 1877 F. G. Heath Fern World 11 The sperm cells contain minute, active, thread-like bodies called spermatozoids. 2. Physiology. = spermatozoon n. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > sperm > spermatozoon animalcule1686 animalcula1716 zoosperm1824 spermatozoon1836 spermatozoid1861 sperm1904 nemasperm1922 1861 T. R. Jones Gen. Outl. Animal Kingdom (ed. 3) vii. 156 The testicular cæca become filled with granulations,..but these do not contain spermatozoids. 1870 H. A. Nicholson Man. Zool. 22 A sperm-cell or spermatozoid..is enabled to develop itself into a new individual. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2019). < |
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