Definition of oogonium
plural -nia \-nē-ə\
1 : a female sexual organ in various algae and fungi that corresponds to the archegonium of ferns and mosses
2 : a descendant of a primordial germ cell that gives rise to oocytes
Origin of oogonium
First Known Use: 1867
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Medical Dictionary: Definition of "oogonium"
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