oosphere

Example Sentences

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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

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

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

The oogonia, unlike the Peronosporaceae, contain more than one oosphere.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

Down this canal pass one or more antherozoids, which become absorbed into the oosphere, and this then secretes a wall, and from it grows the second or asexual generation.

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