Fig. 41
From: Evolutionary morphology of sperm in pholcid spiders (Pholcidae, Synspermiata)
Spermiogenesis and cleistospermia of Priscula sp. n. ‘Ecu93’. TEM. A Late spermatid, longitudinal section. Note the irregular shape of the AV and the wide subacrosomal space as well as the elongated peN. B Early Cleistosperm in the distal lumen of the testis. Free glycogen is visible in the cytoplasm. C Cleistosperm in the lumen of the deferent duct. Note the stout AF and the membranous area around parts of the axoneme (arrow)