Description Transverse section through the male copulatory organ just below the diaphragm. Organ partially evaginated condition. Note the striations of the 'Plasmamasse' which run out the external lobes (lpm). Beauchamp's fluid. Delafield's haematoxylin and eosin (x360).Author Gilbert, 1937PNG file - 128.33 kB - 800 x 812 pixelsadded on 2017-04-07259 viewsWoRMS taxaScan of photoPhaenocora lutheri Gilbert, 1937checked Tyler, Seth 2017-04-07 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License