oogonium
Americannoun
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one of the undifferentiated germ cells giving rise to oocytes.
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the one-celled female reproductive organ in certain thallophytes, usually a more or less spherical sac containing one or more eggs.
noun
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an immature female germ cell forming oocytes by repeated divisions
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a female sex organ of some algae and fungi producing female gametes (oospheres)
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A female reproductive structure in certain algae and fungi. It is usually a rounded cell or sac containing one or more oospheres.
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A cell that arises from a primordial germ cell and differentiates into an oocyte in the ovary of female animals.
Other Word Forms
Derived Forms
Etymology
Origin of oogonium
From New Latin, dating back to 1865–70; see origin at oo-, -gonium
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A haploid oogonium forms a diploid oocyte by the process of meiosis.
From Textbooks • Jun. 9, 2022
A haploid oogonium forms a haploid haploid oocyte by the process of meiosis.
From Textbooks • Jun. 9, 2022
The oogonium undergoes mitosis to produce about one to two million oocytes by the time of birth.
From Textbooks • Apr. 25, 2013
In oogenesis, this germ cell is called an oogonium and forms during the embryological development of the individual.
From Textbooks • Apr. 25, 2013
Monoblepharis has oogonia with single oospheres and antheridia developing a few amoeboid uniciliate antherozoids; these creep to the opening of the oogonium and then swim in.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
