Paper - Induction of embryonic primordia by implantation of organizers from a different species

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Spemann H. and Mangold H. Induction of embryonic primordia by implantation of organizers from a different species. Über Induktion von Embryonalanlagen durch Implantation artfremder Organisatoren (1924) Archiv für Mikroskopische Anatomie und Entwicklungsmechanik 100: 599 - 638.

Online Editor Note 
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This historic 1924 paper by Spemann and Mangold describes the "Spemann's organiser" for which he received the Nobel Prize.


Hans Spemann (1869 - 1941) was a German embryologist who worked extensively on amphibian development and was the discoverer of the organiser region (or primitive node) the controller of gastrulation (1924). This region was also called the "Spemann's organiser". The same region in birds it is known as "Hensen's node" named for Victor Hensen (1835 – 1924) and is also known generally as the primitive node or knot.
Spemann received the 1935 Nobel Prize in Physiology or Medicine "for his discovery of the organizer effect in embryonic development".
<br Modern Notes: gastrulation

gastrulation

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