Fig. 43
From: Evolutionary morphology of sperm in pholcid spiders (Pholcidae, Synspermiata)

Ultrastructure and 3D surface reconstruction of the cleistosperm of Tupigea teresopolis. A, B Cleistospermia in the lumen of the deferent duct. Note the stout AF and the position of the NC in the prominent extension of the peN. C, D, E, F 3D surface reconstruction of a cleistosperm