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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Primordial germ cell is derived from
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The correct answer is  Primordial germ cell is derived from epiblast, earlier they were believed to arise from endoderm of yolk sac They became evident at the distal end of primitive streak by the 2nd week of intrauterine life, these cells migratory and reach the endodermal wall of yolk sac, they reach the gonad by the 5th week Gray's 39e/p-210-220