from The Century Dictionary.

  • noun A large gamete or germ-cell, as distinguished from a microgamete; a macrogamete. The ovum is a megagamete, the spermatozoon a microgamete; the two unite to form a zygote.


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  • In previous discussions of the subject I have urged that the only meaning of sex was the difference between the megagamete or ovum, and the microgamete or sperm.

    Hormones and Heredity

  • But what is sex but the difference between ovum and spermatozoon, between megagamete and microgamete?

    Hormones and Heredity


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