英语词汇“macrospore”造句的方法、技巧、例句及翻译-英语例句辞典

The macrospores are in the shape of a low triangular pyramid with a hemispherical base, and marked with elevated ribs along the angles. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z

Section of a spore-case containing macrospores, equally magnified; at the right three macrospores more magnified. The Elements of Botany For Beginners and For Schools

It is clear, however, that in all these conidia, macrospores, microspores, and some spermatia, or by whatever names they may be called, there exists a power of germination. Fungi: Their Nature and Uses

L, young plant, with the attached macrospore, × 6. r, the first root. l, the first leaves. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses

The germination of the macrospore consists in the repeated division of its nucleus to form two groups of four, one group at each end of the embryo-sac. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1

But the formation of the macrospore or embryo-sac is simpler than the corresponding process in cryptogams. Scientific American Supplement, No. 531, March 6, 1886

The outer leaf-bases contain numerous macrospores; the inner are filled with innumerable microspores. The Elements of Botany For Beginners and For Schools

These are comparatively few and large, and are in fours; so they are very like the macrospores of Pillworts or Quillworts. The Elements of Botany For Beginners and For Schools

The macrospore divides into two cells, a large lower one, and a smaller upper one. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses

The nucellus is a cellular tissue enveloping one large cell, the embryo-sac or macrospore. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1

It arises by a simple enlargement of one cell of the nucleus instead of by the division of one cell into four, each thus becoming a macrospore. Scientific American Supplement, No. 531, March 6, 1886

Two of the latter highly magnified; one of them bursting shows four contained macrospores; between the two, three of these spores highly magnified. The Elements of Botany For Beginners and For Schools

The larger ones contain each a large spore, or macrospore; the smaller contain numerous microspores, immersed in mucilage. The Elements of Botany For Beginners and For Schools

The spores are of two kinds, as in Selaginella, but the macrosporangia contain numerous macrospores. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses

In the full-grown ovule the macrospore, which in the seed plants is generally known as the “embryo sac,” is completely filled with the prothallium or “endosperm.” Elements of Structural and Systematic Botany For High Schools and Elementary College Courses

单词	macrospore
例句	macrospore The macrospores are in the shape of a low triangular pyramid with a hemispherical base, and marked with elevated ribs along the angles. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Section of a spore-case containing macrospores, equally magnified; at the right three macrospores more magnified. The Elements of Botany For Beginners and For Schools It is clear, however, that in all these conidia, macrospores, microspores, and some spermatia, or by whatever names they may be called, there exists a power of germination. Fungi: Their Nature and Uses L, young plant, with the attached macrospore, × 6. r, the first root. l, the first leaves. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The germination of the macrospore consists in the repeated division of its nucleus to form two groups of four, one group at each end of the embryo-sac. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 But the formation of the macrospore or embryo-sac is simpler than the corresponding process in cryptogams. Scientific American Supplement, No. 531, March 6, 1886 The outer leaf-bases contain numerous macrospores; the inner are filled with innumerable microspores. The Elements of Botany For Beginners and For Schools These are comparatively few and large, and are in fours; so they are very like the macrospores of Pillworts or Quillworts. The Elements of Botany For Beginners and For Schools The macrospore divides into two cells, a large lower one, and a smaller upper one. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The nucellus is a cellular tissue enveloping one large cell, the embryo-sac or macrospore. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 It arises by a simple enlargement of one cell of the nucleus instead of by the division of one cell into four, each thus becoming a macrospore. Scientific American Supplement, No. 531, March 6, 1886 Two of the latter highly magnified; one of them bursting shows four contained macrospores; between the two, three of these spores highly magnified. The Elements of Botany For Beginners and For Schools The larger ones contain each a large spore, or macrospore; the smaller contain numerous microspores, immersed in mucilage. The Elements of Botany For Beginners and For Schools The spores are of two kinds, as in Selaginella, but the macrosporangia contain numerous macrospores. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses In the full-grown ovule the macrospore, which in the seed plants is generally known as the “embryo sac,” is completely filled with the prothallium or “endosperm.” Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
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