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Oct 31, 2007 · Best known for his contributions to the field of embryology, Karl Ernst von Baer also pursued a variety of other areas of study including medicine, botany, zoology, and anthropology. Committing his life to scientific research, von Baer's work led to the advancement of the understanding of mammalian reproduction, development, and organ functioning.
Contributions. Embryology. von Baer studied the embryonic development of animals, discovering the blastula stage of development and the notochord.
Karl Ernst von Baer was a Prussian-Estonian embryologist who discovered the mammalian ovum and the notochord and established the new science of comparative embryology alongside comparative anatomy. He was also a pioneer in geography, ethnology, and physical anthropology.
Jun 11, 2018 · Karl Ernst von Baer. 1792-1876. Estonian Biologist. Karl Ernst von Baer was an Estonian biologist who discovered the mammalian ovum—the reproductive egg in female mammals. He made significant contributions to the study of the embryonic development of animals.
In 1828, the Estonian-born embryologist Karl von Baer launched a withering attack on recapitulation. A careful look at embryos revealed that it was impossible to arrange them in any meaningful series. From the earliest stages, vertebrates all share an anatomy that invertebrates such as insects or worms never acquire.
Karl Ernst, knight von Baer, (born Feb. 29, 1792, Piep, Est., Russian Empire—died Nov. 28, 1876, Dorpat, Est.), Prussian-born Estonian embryologist. Studying chick development with Christian Pander (1794–1865), Baer expanded Pander’s concept of germ layer formation to all vertebrates, thereby laying the foundation for comparative embryology.
