Ultrastructural differentiation of spermiogenesis in Scincus scincus ( Scincidae , Reptilia )
نویسندگان
چکیده
منابع مشابه
Morphological and Molecular Studies of Ophiotaenia Sp. (Cestoda: Proteocephalidea) a Parasite of the Sandfish Lizard Scincus scincus Linnaeus, 1758 (Family: Scincidae)
Ophiotaenia sp. n. (Proteocephalidae: Proteocephalinae) is collected from the intestine of Scincus scincus Linnaeus, 1758 (Family: Scincidae) lizards from Sinai, Egypt. This species is rare with both prevalence and intensity low. The medullary position of the vitellaria and reproductive organs, the uniloculate suckers and the two separate fields of testes placed it in the genus Ophiotaenia La R...
متن کاملEnvironmental interaction influences muscle activation strategy during sand-swimming in the sandfish lizard Scincus scincus.
Animals like the sandfish lizard (Scincus scincus) that live in desert sand locomote on and within a granular medium whose resistance to intrusion is dominated by frictional forces. Recent kinematic studies revealed that the sandfish utilizes a wave of body undulation during swimming. Models predict that a particular combination of wave amplitude and wavelength yields maximum speed for a given ...
متن کاملAdaptation to life in aeolian sand: how the sandfish lizard, Scincus scincus, prevents sand particles from entering its lungs
The sandfish lizard, Scincus scincus (Squamata: Scincidae), spends nearly its whole life in aeolian sand and only comes to the surface for foraging, defecating and mating. It is not yet understood how the animal can respire without sand particles entering its respiratory organs when buried under thick layers of sand. In this work, we integrated biological studies, computational calculations and...
متن کاملاولین گزارش گکوی سقنقر معمولی (Teratoscincus scincus scincus) از شمال شرقی ایران در استان گلستان
با توجه به نقش مهم خزندگان به ویژه سوسمارها در چرخه های زیستی و تأثیرات آن ها بر زندگی انسان ها از نظر مسائل بهداشتی و مهار زیستی، نقش سوسمارها در چرخه غذایی و نیز انتقال برخی بیماری ها و انگل ها و نقش آن ها در کنترل آفات کشاورزی مثل ملخ ها، شناخت و مطالعة آن ها برای ما حائز اهمیت می باشد. گکوی سقنقر معمولی Teratoscincus scincus scincus متعلق به خان...
متن کاملUltrastructural examination of spermiogenesis within the testis of the ground skink, Scincella laterale (Squamata, Sauria, Scincidae).
Although the events of spermiogenesis are commonly studied in amniotes, the amount of research available for lizards (Sauria) is lacking. Many studies have described the morphological characteristics of mature spermatozoa in lizards, but few detail the ultrastructural changes that occur during spermiogenesis. The purpose of this study was to gain a better understanding of the subcellular events...
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ژورنال
عنوان ژورنال: Saudi Journal of Biological Sciences
سال: 2017
ISSN: 1319-562X
DOI: 10.1016/j.sjbs.2016.10.020