Fig. 14
From: Evolutionary morphology of sperm in pholcid spiders (Pholcidae, Synspermiata)
Ultrastructure and 3D surface reconstruction of synsperm of Gertschiola macrostyla. A Synsperm in the lumen of the deferent duct. B Sperm cells within the synsperm in cross-section. Note the position of the nuclear canal. C, D, E 3D surface reconstruction of synsperm. F 3D surface reconstruction of an individual sperm cell showing the depth of the implantation fossa and the course of the nuclear canal. Axoneme not shown for the purpose of clarity