spermophoren.
Botany.
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The placenta in plants.
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ˈspermophyte n. Botany a seed-bearing plant.
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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.
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spermoˈphytic adj. ‘capable of producing true seeds’ (1891 Cent. Dict.).
ˈspermospore n. Physiology a compound cellular mass from which sperm filaments are developed.
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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.
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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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