单词 | spermophore |
释义 | spermophoren. Botany. Thesaurus » Categories » The placenta in plants. Derivatives ˈspermophyte n. Botany a seed-bearing plant. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > plant having seed > [noun] seeder1822 spermophyte1861 spermaphyte1891 spermatophyte1897 1861 R. Bentley Man. Bot. i. iv. 283 The placenta is called by Schleiden the spermophore. 1891 Cent. Dict. Spermophyte,..a plant producing true seeds. Categories » spermoˈphytic adj. ‘capable of producing true seeds’ (1891 Cent. Dict.). ˈspermospore n. Physiology a compound cellular mass from which sperm filaments are developed. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > sperm > sperm cell > mass of spermospore1881 1881 St. G. Mivart Cat 245 From these cells the spermatozoa appear to be formed by subdivision of the nucleus of each spermospore. spermoˈtoxin n. Chemistry a serum destructive to spermatozoa. ΚΠ 1902 Brit. Med. Jrnl. 12 Apr. 920 Metchnikoff [deals] with spermotoxins and leucotoxins. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2019). < |
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