请输入您要查询的英文单词:

 

单词 spermaduct
释义

spermaductn.

Etymology: < sperma- comb. form + duct n. 6a.Previous versions of the OED give the stress as: ˈspermaduct.
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
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/10 23:56:10