جنین شناسی

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Nz Shahid Chamran University of Ahvaz Faculty of Science Department of Biology Histology and Embryology Lab. 

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=} Gametogenesis 2 Shahid Chamran Universi of Ahwaz 

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=) Oogenesis Part one 2 ی 

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Future umbilical cord ‘allantois Primordial germ cells \" in wall of yolk sac Figure 1.1. An embryo at the end of the third week, showing the position of primordial germ calls in she wall of the yolk sac, cloge to the attachment of tho future umbil cord, From this location these cells migrate to the developing gonad, ظاع Shahid Chamran Universi of Ahwaz Primordial Germ Cells (PGCs) 

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ص Shahid Chamran Universi of Ahwaz Genital Ridges Mesonephric duct Primo germ Paramesonephric duct Proliferating its tee ‏که‎ boty epitome 

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ذاعم Shahid Chamran Universi of Ahwaz Degenerating Urogenital mesonephric tubule mesentery Primitive sex cords Paramesonephric Mesonephric Surface duct duct A 

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=) 1-Morphologic development ذاعم Shahid Chamran Universi of 

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Surface epithelium Primary oocyte Follicular cells Paramesonephric duct Mesonephric duct ذاعم Shahid Chamran Universi of Ahwaz Cortical mass 1-Primary cortical mass 2-Secondary cortical mass 

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