gonad
US /ˈɡoʊ.næd/
UK /ˈɡoʊ.næd/
1.
an organ that produces gametes; a testis or ovary.
:
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The developing embryo's gonads differentiate into testes or ovaries.
•
Both male and female reproductive systems contain gonads.
an organ that produces gametes; a testis or ovary.