| 单词 | fertilization tube |
| 释义 | > as lemmasfertilization tube fertilization tube n. Mycology a tube-like outgrowth of the antheridium in certain phycomycetous fungi which penetrates the oogonium and forms a passage for a male nucleus to reach an egg. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > parts of > antheridium or male sex organ > outgrowth of fertilization tube1887 1887 H. E. F. Garnsey & I. B. Balfour tr. H. A. de Bary Compar. Morphol. & Biol. Fungi v. 134 When the oosphere has been formed in the oogonium, the antheridium sends a delicate cylindrical or conical tube~like process, the fertilisation-tube, from the part of its surface which is in contact with the oogonium into the interior of the latter. 1930 H. M. Fitzpatrick Lower Fungi vii. 153 As soon as the oospheres are differentiated the antheridia form delicate fertilization tubes. 1970 J. Webster Introd. Fungi 72 Fertilisation is accomplished by the penetration of fertilisation tubes into the eggs. < as lemmas |
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