discussed in biography...vertebrates. In so doing Baer laid the foundation for comparative embryology. He made many important technical discoveries. In 1827 he described his discovery of the mammalian ovum (egg) in his De Ovi Mammalium et Hominis Genesi (“On the Mammalian Egg and the Origin of Man”), thereby establishing that mammals, including human beings, develop from eggs. He opposed the popular...
De Ovi Mammalium et Hominis Genesi
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