Fig. 1

Appearance of the female reproductive organs in the Antillean manatee examined in this study. a right ovary (black arrow) and left ovary (white arrow) with bursa ovarica (black line), uterine tube, uterus (red arrow), vagina (black asterisk) and ligamentum latum uteri (yellow arrow). Scale bar = 10 cm. b Left ovary (white arrow). Scale bar = 5 cm. c Right and left ovaries without bursa ovarica. Scale bar = 10 cm. d Many ovarian cysts within left ovary. Cysts with fluid (green asterisks). Scale bar = 5 cm. e Right ovary. Scale bar = 10 cm. f The right ovary with many ovarian cysts - magnification of e picture. Cysts with fluid (green asterisks), stalk (blue arrow). Scale bar = 5 cm g Four (1–4) ovarian cysts with different irregular shape. Stalk (blue arrow). Scale bar = 5 cm. h Cross section of ovarian cysts. 1- cyst with thin wall layer and with fluid inside, 2, 3, 4- cysts with shapeless masses and with small area of fluid or gelatinous substance. Stalk (blue arrow). Scale bar = 5 cm