pregnanedione

preg·nane·di·one

(preg'nān-dī'ōn),

A metabolite of progesterone, formed in relatively small quantities, that occurs in 5α and 5β isomeric forms.

preg·nane·di·one

(preg'nān-dī'ōn)

A metabolite of progesterone, formed in relatively small quantities, which occurs in 5α and 5β isomeric forms.
Compare: bioregulator