单词 | spermaduct |
释义 | spermaductn. Zoology. A spermatic or seminal duct or passage in a male animal. ΘΚΠ the world > life > the body > secretory organs > ducts > [noun] > seminal or spermatic ducts seed bringer1545 vas deferens1578 seed trough1615 seed vein1615 spermatic1690 seminal1733 rete testis1777 rete1849 parepididymis1881 spermaduct1891 1891 Cent. Dict. Spermaduct,..a spermatic duct, or sperm-duct [etc.]. 1905 J. McCabe tr. E. Haeckel Evol. Man II. 823 In the male they convey the spermatozoa away from the testicles, and are called ‘spermaducts’, or vasa deferentia. Derivatives ˈspermagone n. Botany = spermogone n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > type of > spermatium or spermogonium spermatium1856 spermogone1856 spermogonium1857 spermagonium1861 spermatogonium1861 spermatophore1861 spermagone1876 1876 Encycl. Brit. IV. 159/1 Embedded in the margin of the thallus in Lichens..certain hollow urn-shaped bodies are found, which have been termed spermagones (conceptacles). spermaˈgonium n. Botany = spermogonium n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > type of > spermatium or spermogonium spermatium1856 spermogone1856 spermogonium1857 spermagonium1861 spermatogonium1861 spermatophore1861 spermagone1876 1861 H. Macmillan Footnotes from Nature 73 Minute, blackish, elevated, somewhat gelatinous points called spermagonia, occurring on various parts of the upper surface of the thallus. 1880 C. E. Bessey Bot. 299 Minute cells (the spermatia), which..are permitted to escape through the small opening at the apex of the spermagonium. ˈspermaphore n. = spermophore n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > stamen or pistil > style or pistil and related parts > carpel and placenta placenta1681 placentule1682 seedbed1720 trophosperm1819 replum1828 carpel1835 spermaphore1847 hemicarp1854 spermophore- 1847 Webster's Amer. Dict. Eng. Lang. Spermaphore, in botany, that part of the ovary from which the ovules arise; it is synonymous with Placenta. ˈspermaphyte n. Botany = spermophyte n. at spermophore n. Derivatives. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > plant having seed > [noun] seeder1822 spermophyte1861 spermaphyte1891 spermatophyte1897 1891 Cent. Dict. Spermaphyte. 1897 tr. Strasburger's Text-bk. Bot. 432 They are also termed Seed-plants or Spermaphytes. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2019). < n.1847 |
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