منابع مشابه
Hans Spemann (1869-1941)
Hans Spemann [5] was an experimental embryologist best known for his transplantation studies [6] and as the originator of the ?organizer? concept. One of his earliest experiments involved constricting the blastomeres of a fertilized salamander [7] egg [8] with a noose of fine baby hair, resulting in a partially double embryo with two heads and one tail. Spemann continued changing variables such...
متن کاملHans Spemann – Nobel Lecture
The experiments which finally led to the discovery of the phenomena which are now designated as "organizer-effect" were prompted by a question which actually goes back to the beginnings of developmental mechanics, indeed to the beginnings of the history of evolution in general. How does that harmonious interlocking of separate processes come about which makes up the complete process of developm...
متن کاملProf . Hans Geser Online
1. On the functional polyvalence and generalized adaptiveness of digital media............................................... 1 2. On the intrinsic conservatism and polymorphism of modern academic institutions ........................................ 3 3. The widening spectrum of alternative teaching and learning tools as a source of intra-academic heterogeneity, decentralization and informaliz...
متن کاملFarewell Prof. Hans‐Jürgen Rehm
It is a great honor and duty for me to remember Prof. Dr. Hans-J€ urgen Rehm, born on 3 December 1927, who passed away in M€ unster, Germany, on 4 February 2017. Since 1970, he was director of the Institute of Microbiology at the University of M€ unster, Germany, where I had the great honor to be his Diploma student and also did my PhD under his supervision. With his textbook ‘Industrielle Mikr...
متن کاملProf. Dr. med. Hans Renschler, * 18.04.1925 – † 30.04.2011
Siehe! Da weinen die Götter, es weinen die Göttinnen alle, Daß das Schöne vergeht, daß das Vollkommene stirbt. Auch ein Klaglied zu sein im Mund der Geliebten, ist herrlich, Denn dasGemeine geht klanglos zumOrkus hinab. Aus: Friedrich Schiller, Nänie Kurz nach Vollendung seines 86. Lebensjahres ist nach langem, schwerem Leiden Prof. Dr. med. Hans E. Renschler am 30.4.2011 für immer von uns gega...
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ژورنال
عنوان ژورنال: Nature
سال: 1942
ISSN: 0028-0836,1476-4687
DOI: 10.1038/149296a0