单词 | prothallus |
释义 | BETA Examples ofprothallusDictionary> Examples ofprothallus prothallusisn’t in the Cambridge Dictionary yet. You can help! Add a definition If conditions are right, a spore will germinate and grow into a rather inconspicuous plant body called aprothallus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Theprothallusis red to whitish in the inner part, red the in outer part. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This eventually results in the formation of a notch at the anterior edge of theprothallus, giving it a roughly heart-shaped appearance (cordate). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The haploidprothallusdoes not resemble the sporophyte, and as such ferns and their allies have a heteromorphic alternation of generations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. One of the cells at the top margin of theprothallusthen divides obliquely when it has 5, 10, or more cells across its width. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Young fern sporelings can often be found with theprothallusgametophyte still attached at the base of their fronds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The gametophyte of some non-thallophyte plants -- clubmosses, horsetails, and ferns is termedprothallus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Rhizoids anchor theprothallusto the soil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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