How To Use Antheridial In A Sentence
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_D_, giant liverwort (_Conocephalus_), natural size. _an. _ antheridial disc.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
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Fructification: zoospores produced from the cell contents of the filaments; resting spores formed from the contents of particular cells after impregnation by ciliated spermatozoids produced in distinct antheridial cells.
Scientific American Supplement, No. 384, May 12, 1883
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When the plants become old, these delicate antheridial branches often disappear, leaving the antheridia adhering to the oogonia without indication of their origin.
Transactions of the American Philosophical Society
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Fructification: ovate spores and tufts of antheridial cells attached to the lateral ramuli, which consist of minute, radiating, dichotomous beaded filaments.
Scientific American Supplement, No. 384, May 12, 1883
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Studies on development of antheridia and antheridial dehiscence have been conducted by Davie and Hartman.
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Each antheridial chamber incorporates several antheridia, all of which are developed from one antheridial initial.
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The sexual organs are developed in groups at the apices, the antheridial group usually terminating the main axis while the archegonia are borne on a lateral branch.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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In very few cases has anything representing prothallial development been observed; generally a small cell (the antheridial or generative cell) is cut off, leaving a larger tube-cell.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
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The oogonial initial penetrates the antheridial initial and rapidly expands to form the oogonium.
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The antheridial branches arise from the main filaments or from oogonial branches, sometimes exclusively from one or the other, in other species from both.
Transactions of the American Philosophical Society
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The latter are much more abundant in the antheridial tufts, where they have somewhat swollen heads.
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To study them in their natural position, thin longitudinal sections of the antheridial branch should be made.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
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The antheridial branches are often bright-colored, red or yellow, so as to be very conspicuous.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
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Reproduction by zoospores formed of the whole contents of a cell, with a crown of numerous cilia; resting spores formed in sporangial cells after fecundation by ciliated spermatozoids formed in antheridial cells.
Scientific American Supplement, No. 384, May 12, 1883
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Approximately 50% of the antheridial primordial protoplasts obtained by enzymatic isolation were found to be viable.