oosphere

Example Sentences

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Guided by the synergidae one male-cell passes into the oosphere with which it fuses, the two nuclei uniting, while the other fuses with the definitive nucleus, or, as it is also called, the endosperm nucleus.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 by Various

In Coleochæte, the male cell is a round spermatozoid, and the female cell an oosphere contained in the base of a cell which is elongated into an open and hair-like tube called the trichogyne.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

After impregnation the fertilized oosphere immediately surrounds itself with a cell-wall and becomes the oospore which by a process of growth forms the embryo of the new plant.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 by Various

The sexual generation is a small green thalloid structure called a prothallium, which bears antheridia and archegonia, each archegonium having a neck-canal and oosphere, which is fertilized just as in the moss.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

Each protuberance bursts, and some of the spermatozoids come in contact with and are absorbed by the oosphere, which then secretes a cell-wall, and after a time germinates.

From Scientific American Supplement, No. 531, March 6, 1886 by Various