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For many years premedical students studied embryology as a part of their general education in zoology and as a necessary, often tedious approach to an understanding of human anatomy. In the different medical schools varying degrees of attention are paid to embryology, although the courses in obstetrics usually stress the study of early human embryos with particular reference to implantation and placentation. As descriptive embryogenesis, even of the mammals, covers such a vast field, it is natural that many interesting topics receive but scant attention. It is interesting, and heartening to teachers of embryology, that with the advent of surgery of developmental defects of the heart, the embryogenesis of the organ has become a focus of interest to many medical students and especially to young physicians. This subject, formerly considered dry and uninteresting, and usually covered in a cursory manner, is now an important medical topic. The present extensive volume,
Lehrbuch der Embryologie. JAMA. 1949;141(2):166. doi:10.1001/jama.1949.02910020060042
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