Oogenesis In Lizard

The morphology of oogenesis in lizards has been described in few species. In this paper the ovarian histology of females of the S. merianae oviparous South American lizard is studied throughout the annual cycle. For this, ovaries were processed at different stages of the follicular cycle, using conventional histological technique. Two germinal beds were identified per ovary, from where the

142 Oogenesis of the lizard Salvator merianae tions Uribe Arazbal et al., 2010, which justifies the progress of studies in this area. The ovary of sauropsids reptiles changes in shape and size

Histological Analysis Following the collection of lizards in the field, lizards were transferred to the laboratory, anesthetized using ether and by lowering body temperature, and quickly euthanized by injection of a dose of 10 formalin behind the skull This study was conducted according to the ethics and regulations for animal OOGENESIS AND

E-mail email protected Abstract The morphology of oogenesis in lizards has been described in few species. In this paper the ovarian histology of females of the S. merianae oviparous South American lizard is studied throughout the annual cycle. For this, ovaries were processed at different stages of the follicular cycle, using conventional

Oogenesis in the lizard Mabuya brachypoda is seasonal, with oogenesis initiated during May-June and ovulation occurring during July-August. This species ovulates an egg that is microlecithal, having very small yolk stores. The preovulatory oocyte attains a maximum diameter of 0.9-1.3 mm. Two elongated germinal beds, formed by germinal

The annual histological changes in ovarian morphology oogenesis, follicular atresia, and corpus luteum are described for the Mexican lizard Sceloporus grammicus, in two populations that inhabit contrasting environments vegetation categories, climate, precipitation, and temperature from Hidalgo S

Lizards are one of a few groups of reptiles whose members are characterized by temperature TSD and genetic GSD sex determination e.g., Reference . Male and female heterogamety XYZW and a variety of sex chromosome systems are also found in these animals 1,2,3. About 23 of karyotyped lizard species have multiple sex chromosomes . This

The morphology of oogenesis in lizards has been described in few species. In this paper the ovarian histology of females of the S. merianae oviparous South American lizard is studied throughout

Fig. 1.1 A Portion of the ovary wall lizard Hemidactylus jlaviviridis showing germinal bed OB, small oocyte arrow with single-layered follicular epithelium and portions of follicles with polymorphic granulosa from Guraya and Varma 1976. B Higher power view of portion of germinal bed of wall lizard ovary showing oogonia arrows having vesicular nucleus N and