Photographs of the lateral sides of a O. centralis male (1) and female (2). The dashed line marks the limit of the inguinal gland in males that are absent in females. Scale bars: 1 mm.

 
 
  Part of: Brito P, Targueta C, Arruda W, Santos F, Bastos R (2019) The sexual dimorphic inguinal glands of the frog species Ololygon centralis (Anura: Hylidae) at light and transmission electron microscopy. Zoologia 36: 1-9. https://doi.org/10.3897/zoologia.36.e29356