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International Journal of Zoological Research
  Year: 2009 | Volume: 5 | Issue: 4 | Page No.: 136-149
DOI: 10.3923/ijzr.2009.136.149
Morphogenesis of the Acrosomal Vesicle During Spermiogenesis in the House Gecko Ptyodactylus hasselquisti (Squamata, Reptilia)
O.A. Al-Dokhi

Abstract:
The present study aimed to describe the morphogenesis of the acrosomal vesicle during spermiogenesis in the lizard Ptyodactylus hasselquisti. Five adult male lizards were captured during the period of sexual activity (April and May, 2005) from old houses in the city of Riyadh (25° 10' N, 46° 50' E), Saudi Arabia. Ultrastructural examination revealed proliferation and hypertrophy of Golgi complex elements as the initial event in formation of the acrosomal vesicle. Numerous small vesicles were released from Golgi complex and then coalesced to form a large proacrosomal vesicle which later attached to the proximal surface of spermatid nucleus. A proximal concavity appeared in the spermatid nucleus to completely lodge the acrosomal vesicle, then the spermatid nucleus with the lodged vesicle were transported to be directly apposed to the spermatid plasmalemma. This was associated with the appearance of a single acrosomal granule at the vesicle base. Subsequently, the progressively pushed acrosomal vesicle was flattened on the proximal nuclear surface. Some acrosomal vesicle deformities were also illustrated. The successive morphogenetic stages of the acrosomal vesicle were discussed in comparison with that reported in the previous studies concerned with spermiogenesis in other reptile species.
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How to cite this article:

O.A. Al-Dokhi , 2009. Morphogenesis of the Acrosomal Vesicle During Spermiogenesis in the House Gecko Ptyodactylus hasselquisti (Squamata, Reptilia). International Journal of Zoological Research, 5: 136-149.

DOI: 10.3923/ijzr.2009.136.149

URL: https://scialert.net/abstract/?doi=ijzr.2009.136.149

 
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