Fig. 68
From: Evolutionary morphology of sperm in pholcid spiders (Pholcidae, Synspermiata)

Ultrastructure and 3D surface reconstruction of the cleistospermia of Quamtana oku. TEM. A, B Cleistospermia in the lumen of the deferent duct. Note the variation in diameter of the prcN. C, D, E, F 3D surface reconstruction of a cleistosperm. Note the almost filiform anterior part of the prcN