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Discovered the mammalian ovum
- K arl 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.
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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.
Dec 1, 2013 · Karl Ernst von Baer (1792–1876), a brilliant 19th-century zoologist, embryologist, and explorer (A). Detailed drawing of chicken embryonic development by von Baer and Heinz Christian Pander (B) showing tissue origins and cell movements, which led to the discovery of the three germ layers [1].
- Arhat Abzhanov
- 2013
As a contribution to the developing history of evo-devo, I present here a previously unknown and quite prescient view about develop-ment and evolution advanced by Karl Ernst von Baer (1792-1876) in the early 19th century.
Oct 27, 2009 · Abstract. Although more widely known as the founder of modern embryology, Karl Ernst von Baer played a special role in the investigation of the physical geography of the Russian Empire in the nineteenth century. Baer not only conducted his own scientific research in the Arctic, he was also a key supporter and organiser of other Russian ...
Jan 2, 2018 · Karl Ernst von Baer was an Estonian embryologist and researcher most remembered for his contributions to the field of mammalian development in the early 19th century. Born in February 1792 in Piep, Estonia, von Baer studied in zoology, botany, physics, and medicine.
