The Ultrastructure of Spermatogenesis and Epididymal Spermatozoa of the Tuatara Sphenodon punctatus (Sphenodontida, Amniota)

By using transmission electron microscopy (TEM) the events of spermatogenesis are described for the first time in the tuatara Sphenodon punctatus punctatus (Gray), a representative of the ‘reptilian’ order Sphenodontida. Secondary spermatocytes contain two greatly elongate (8.0 μm), rod-shaped centr...

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Veröffentlicht in:	Philosophical transactions of the Royal Society of London. Series B. Biological sciences 1994-04, Vol.344 (1308), p.187-199
Hauptverfasser:	Healy, J. M., Jamieson, B. G. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Canals Centrioles Microtubules Mitochondria Sertoli cells Spermatids Spermatocytes Spermatozoa Spermiogenesis Turtles
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