| 释义 |
ˈspermaduct Zool.
[f. sperma- + duct n. 6 a.]
A spermatic or seminal duct or passage in a male animal. Also ˈspermagone, spermaˈgonium, Bot. = spermogone, -gonium. ˈspermaphore, ˈspermaphyte Bot. = spermophore, -phyte.
1891Cent. Dict., *Spermaduct,..a spermatic duct, or sperm-duct [etc.]. 1905J. McCabe tr. Haeckel's Evol. Man II. 823 In the male they convey the spermatozoa away from the testicles, and are called ‘spermaducts’, or vasa deferentia.
1876Encycl. 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).
1861H. Macmillan Footn. Page Nat. 73 Minute, blackish, elevated, somewhat gelatinous points called *spermagonia, occurring on various parts of the upper surface of the thallus. 1880Bessey Botany 299 Minute cells (the spermatia), which..are permitted to escape through the small opening at the apex of the spermagonium.
1847Webster, *Spermaphore, in botany, that part of the ovary from which the ovules arise; it is synonymous with Placenta.
1891Cent. Dict., *Spermaphyte. 1897tr. Strasburger's Text-bk. Bot. 432 They are also termed Seed-plants or Spermaphytes. |