Fig. 2
From: Vertebrate endocrine disruptors induce sex-reversal in blue mussels

Histological sections of mantle tissue from males and females. (A) Mantle section from male control. (B) Mantle section from female control. (C) Mantle section from male mussel exposed to EE2 that changed sex to female (presence of oocytes). (D) Mantle section of female mussel exposed to KZ that changed sex to male (presence of sperm). Abbreviations Sf, spermatic follicle; Of, ovarian follicle; Gs, germinal spot.