In the primitive jawless fish, and some teleosts, there is only one ovary, formed by the fusion of the paired organs in the embryo.[8]
Ditshidi tsa metsi di nale serwe se dirisiwang go dupa, go na le dikoloti, mo ke kgetsi fela, fa e se mo ditshiding tse di rileng tsa metsi fela ,e dirasanya mmogo le dirwe tse di fithelwang mo nkong.[1]