1. Department of Histology and Embryology, Faculty of Medicine Uşak University Uşak Turkey
2. Department of Histology and Embryology, Faculty of Veterinary Medicine Tekirdağ Namık Kemal University Tekirdağ Turkey
3. Department of Histology and Embryology, Faculty of Veterinary Medicine Ankara University Ankara Turkey
4. Department of Histology and Embryology, Faculty of Veterinary Medicine Kafkas University Kars Turkey