| 单词 | archegonial |
| 例句 | A slender stalk extends from the thallus, and an archegonial head sits at its top. Fundamentals of Biology 2015-01-01T00:00:00Z G, archegonial branch of common liverwort, natural size. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Fertilization is effected by the passage of a spermatozoid, attracted probably by means of a chemical stimulus, down the passage of the archegonial neck and its fusion with the ovum. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The underside of the archegonial head contains protrusions called archegonia, which house the eggs. Fundamentals of Biology 2015-01-01T00:00:00Z The archegonial groups in Corsinia are sunk in a depression of the upper surface, while in Targionia they are displaced to the lower side of the anterior end of a branch. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The archegonial head has fronds, like a palm tree. Fundamentals of Biology 2015-01-01T00:00:00Z The upper portion of the archegonial wall is carried up as a calyptra on the sporogonium, which, as in Sphagnum, has no seta and is raised on a pseudopodium. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" It remains for long enclosed within the calyptra formed by the further development of the archegonial wall and surmounted by the neck of the archegonium. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The very large, thin-walled spores escape on the decay of the capsule, which ruptures the archegonial wall irregularly. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" |
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