In fact, the presence of
Sodium-Iodide Symporter (NIS) in human and murine
ovaries, that of triiodothyronine (T3) and thyroxine (T4) in
the ovarian follicular fluid of farm animals, of 5deiodinase
and of thyroid hormone receptors in oocytes, cumuli and
porcine and human granulosa cells (Slebodzinski, 2005)
have been found.