oosphere
Example Sentences
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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
The protoplasm in one of these protuberances arranges itself into a round mass--the oosphere or female cell.
From Scientific American Supplement, No. 531, March 6, 1886 by Various
In Cystopus Bliti the oosphere contains numerous nuclei, and all the male nuclei from the antheridium pass into it, the male and female nuclei then fusing in pairs.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various