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https://hdl.handle.net/11499/9465
Title: | Histochemical and immunohistochemical studies of the gonads and paramesonephric ducts of male and female hatchlings of loggerhead sea turtles (Caretta caretta) | Authors: | Sarı, Fikret Kaska, Yakup |
Keywords: | aromatase genital duct gonad hatchling histochemistry immunohistochemistry loggerhead sea turtle sex animal chemistry cytology enzymology female male mesonephros Muellerian duct physiology procedures sex determination sexual development turtle Animals Aromatase Female Gonads Immunohistochemistry Male Mesonephros Mullerian Ducts Sex Characteristics Sex Determination Analysis Turtles |
Publisher: | Taylor and Francis Ltd | Abstract: | The sex of neonatal sea turtles is difficult to determine, because neonates lack heteromorphic sex chromosomes and dimorphic external characteristics; internal dimorphic morphology is defined at hatching. We used histochemical staining and made measurements in the gonads and paramesonephric ducts (PD) of both sexes to determine structural differences in female and male loggerhead sea turtle (Caretta caretta) hatchlings. We detected differences in the gonads and PD between the sexes including the amounts of mucopolysaccharides, collagen and elastic fibers. We determined that the thickness of the gonadal cortex and the diameter of the PD lumen are reliable sex-specific characteristics. We also assessed immunolocalization of aromatase, an enzyme complex that converts androgens to estrogens, and found differences in the localization and intensity of aromatase immunostaining in the gonads and PD of female and male hatchlings. Comprehensive studies of the sexual differences of sea turtles are important for conservation programs. © 2016 The Biological Stain Commission. | URI: | https://hdl.handle.net/11499/9465 https://doi.org/10.1080/10520295.2016.1201143 |
ISSN: | 1052-0295 |
Appears in Collections: | Fen-Edebiyat Fakültesi Koleksiyonu PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection Tavas Meslek Yüksekokulu Koleksiyonu WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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