Description Almost sagittal section through the male copulatory organ. Note position of pseudo-ductus ejaculatorius (pde), and the introverted position of the central portion of the diaphragm (di). Beauchamp's fluid. Delafield's haematoxylin and eosin (x 360)Author Gilbert, 1937PNG file - 91.41 kB - 800 x 465 pixelsadded on 2017-04-07449 views This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License