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Paper Information

Journal:   BIOLOGY JOURNAL   WINTER 2010 , Volume 4 , Number 4; Page(s) 13 To 21.
 
Paper: 

OOGENESIS AND OVARIAN HISTOLOGY IN LAUDAKIA CAUCASIA

 
 
Author(s):  BAHAR ARA JAVAD*, PARIVAR KAZAM, NEMATI ALI, MIRAKHORI ZOHREH
 
* ISLAMIC AZAD UNIVERSITY, MASHHAD BRANCH
 
Abstract: 
Reptiles as one of the constituents of deserts funna in all over the World and so have important role in ecosystems and life cycle in dry region was studied from different biological aspects in recent years.
Since the reproduction is the most important concern of every living organism, therefore, oogenesis that induring the female germ cell is produce, is of great importance. This study is investigating the ovarian histology and anatomy, identifying the different stages of follicular growth and defining the gonad index to detect the best time for lizard Laudakia caucasia oogenesis in the spring. This study has done in march - june 2008, in the end of every month, at least 10 lizards has collected from Dehgheibi village in Khorasan Razavi Province, after identifying the concerned species and separating the females, then morphology and histology of ovaries studied. Our results showed that ovarian follicular growth involves not only the growth and maturation of the oocyte but also requires the storage of large quantities of yolk in the ooplasm, so follicles were divided to previtellogenic and vitellogenic phases. In March and May the ovary contains previtellogenic follicles and in June when the yolk deposits in oocytes, ovarian follicles enter the vitellogenic phase and reach to their maximum size before ovulation. This development indicates the noticeable increase of gonad index in June. According to the results, Laudakia caucasia species starts reproduction activity in spring, after awaking of hibrentation, and the peak of oogenetic process is occurred in June.
 
Keyword(s): OOGENESIS, OVARY, LIZARD, LAUDAKIA CAUCASIA, VITELLOGENESIS
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

BAHAR ARA, J., & PARIVAR, K., & NEMATI, A., & MIRAKHORI, Z. (2010). OOGENESIS AND OVARIAN HISTOLOGY IN LAUDAKIA CAUCASIA. BIOLOGY JOURNAL, 4(4), 13-21. https://www.sid.ir/en/journal/ViewPaper.aspx?id=192834



Vancouver: Copy

BAHAR ARA JAVAD, PARIVAR KAZAM, NEMATI ALI, MIRAKHORI ZOHREH. OOGENESIS AND OVARIAN HISTOLOGY IN LAUDAKIA CAUCASIA. BIOLOGY JOURNAL. 2010 [cited 2021July28];4(4):13-21. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=192834



IEEE: Copy

BAHAR ARA, J., PARIVAR, K., NEMATI, A., MIRAKHORI, Z., 2010. OOGENESIS AND OVARIAN HISTOLOGY IN LAUDAKIA CAUCASIA. BIOLOGY JOURNAL, [online] 4(4), pp.13-21. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=192834.



 
 
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