Fig. 2
From: Postembryonic development and lifestyle shift in the commensal ribbon worm

Gametes of M. japonica. A Sperm. B Oocytes. Scales: 10 μm (A); 500 μm (B)
From: Postembryonic development and lifestyle shift in the commensal ribbon worm
Gametes of M. japonica. A Sperm. B Oocytes. Scales: 10 μm (A); 500 μm (B)