Normal and abnormal embryonic developmen
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Nievelstein, R. A. J.; Van Der Werff, J. F. A.; Verbeek, F. J.; Valk, J.; Vermei
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Article
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1998
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John Wiley and Sons
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English
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In the literature, some controversy still exists about the normal and abnormal development of the human anorectum. Therefore, a threedimensional and histological study was performed on human embryos. In early anorectal development (ี 49 days postfertilization), the cloaca plays a crucial role, separa