File:Karl von Baer.jpg: Difference between revisions

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''Über Entwickelungsgeschichte der Thiere'' (On the Developmental History of Animals) 1828.
''Über Entwickelungsgeschichte der Thiere'' (On the Developmental History of Animals) 1828.


From Thomas Henry Huxley  Scientific Memoirs:
From Thomas Henry Huxley  Scientific Memoirs:<ref>Huxley TH. (1853). Scientific memoirs, selected from the transactions of foreign academies of science, and from foreign journals.  (1853).  Natural history. Henfrey, Arthur, ed. London (UK): Taylor and Francis. doi:10.5962/bhl.title.28029.</ref>


# [The] more general characters of a large group appear earlier in the embryo than the more special characters.
# [The] more general characters of a large group appear earlier in the embryo than the more special characters.
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# Every embryo of a given animal form, instead of passing through the other forms, rather becomes separated from them.
# Every embryo of a given animal form, instead of passing through the other forms, rather becomes separated from them.
# Fundamentally, therefore, the embryo of a higher form never resembles any other form, but only its embryo.
# Fundamentally, therefore, the embryo of a higher form never resembles any other form, but only its embryo.


===Reference===
===Reference===
<references/>


From Wikimedia Commons, the free media repository.
Image from Wikimedia Commons, the free media repository.




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[[Category:People]][[Category:Germany]][[Category:Historic Embryology]]
[[Category:People]][[Category:Germany]][[Category:Historic Embryology]]

Revision as of 08:38, 7 April 2017

Karl von Baer (1792-1876)

University of Königsberg

Über Entwickelungsgeschichte der Thiere (On the Developmental History of Animals) 1828.

From Thomas Henry Huxley Scientific Memoirs:[1]

  1. [The] more general characters of a large group appear earlier in the embryo than the more special characters.
  2. From the most general forms the less general are developed, and so on, until finally the most special arises.
  3. Every embryo of a given animal form, instead of passing through the other forms, rather becomes separated from them.
  4. Fundamentally, therefore, the embryo of a higher form never resembles any other form, but only its embryo.


Reference

  1. ↑ Huxley TH. (1853). Scientific memoirs, selected from the transactions of foreign academies of science, and from foreign journals. (1853). Natural history. Henfrey, Arthur, ed. London (UK): Taylor and Francis. doi:10.5962/bhl.title.28029.

Image from Wikimedia Commons, the free media repository.


Cite this page: Hill, M.A. (2024, June 17) Embryology Karl von Baer.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Karl_von_Baer.jpg

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