1. Hans Spemann - Biography Hans spemann hans Spemann was born on June 27, 1869, at Stuttgart. He was theeldest son of the publisher, Wilhelm Spemann. From 1878 until 1888 he went to http://nobelprize.org/medicine/laureates/1935/spemann-bio.html

HOME SITE HELP ABOUT SEARCH ... EDUCATIONAL Hans Spemann was born on June 27, 1869, at Stuttgart. He was the eldest son of the publisher, Wilhelm Spemann. From 1878 until 1888 he went to the Eberhard-Ludwig School at Stuttgart and when he left school in 1888 he spent a year in his father's publishing business. From 1889-1890 he did his military service and then, after a period as a retail bookseller, he entered, in 1891, the University of Heidelberg. There, until he took his preliminary examination in 1893, he studied medicine, and was especially attracted by the work of the comparative anatomist there, Carl Gegenbaur. , all of whom had the greatest influence on his scientific development. Later Spemann showed that different parts of the organization centre produce different parts of the embryo. The anterior parts of it tend to produce parts of the head, and the posterior parts of it parts of the tail. Further, tail organizers, when they are grafted into the head region of another embryo, may produce heads instead of tails, the reason being that they are influenced by the head organizer in their new environment. Earlier Spemann had transplanted the optic cups of new embryos into the outermost layer of the region of the abdomen and had found that they induced the production, in this new situation, of a lens of the eye. This was interpreted as being evidence of the existence of secondary organizers which operate after the induction exerted by the primary organizer has been completed.

2. Hans Spemann - Biography Hans Spemann Biography Hans Spemann was born on June 27, 1869, at Stuttgart. He was the eldest son of the publisher, Wilhelm Spemann. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

3. Medicine 1935 The Nobel Prize in Physiology or Medicine 1935 Presentation Speech Hans Spemann Biography Nobel Lecture Banquet Speech 1934 1936 http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

4. Spemann's Induction Experiments FIGURE 1. Hans Spemann and the lens ablation experiment http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

5. Hans Spemann Spemann, Hans , 18691941, German embryologist. He was professor of zoology (1919-35) at the Univ. of Freiburg. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

6. About Hans Spemann Hans spemann hans Spemann was born on June 27, 1869, in Stuttgart Germany. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

7. Hans Spemann: Definition And Much More From Answers.com Spe·mann ( shpa män ) , Hans 1869–1941. German zoologist and physiologist.He won a 1935 Nobel Prize for his discovery of the organizer effect in. http://www.answers.com/topic/hans-spemann

showHide_TellMeAbout2('false'); Business Entertainment Games Health ... More... On this page: Dictionary Encyclopedia Medical Wikipedia Mentioned In Or search: - The Web - Images - News - Blogs - Shopping Hans Spemann Dictionary Spe·mann shpā m¤n Hans German zoologist and physiologist. He won a 1935 Nobel Prize for his discovery of the organizer effect in embryonic development. Encyclopedia Spemann, Hans h¤ns shpā m¤n ) , 1869–1941, German embryologist. He was professor of zoology (1919–35) at the Univ. of Freiburg. By transplanting embryonic tissue to a new location or to another embryo, he investigated the agency that governs the growth and differentiation of cells. He received the 1935 Nobel Prize in Physiology or Medicine and described his research in Embryonic Development and Induction Medical Spe·mann shpā m¤n Hans German zoologist and physiologist. He won a 1935 Nobel Prize for his discovery of the organizer effect in embryonic development. Wikipedia Hans Spemann Hans Spemann June 27 September 12 ) was a German embryologist who was awarded the Nobel Prize for Physiology or Medicine in for his discovery of the effect now known as embryonic induction, the influence exercised by various parts of the embryo that directs the development of groups of cells into particular tissues and organs.

8. Should Be Viewed At 800x600 Resolution This Page Is For Genreal Hans Spemann was born on June 27, 1869, in Stuttgart Germany. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

9. Hans Spemann Hans Spemann (1869 1941) Zo logo germ nico nascido em Stuttgart, ganhador nico do Pr mio Nobel de Fisiologia ou Medicina (1935) pela http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

10. MSN Encarta - Search Results - Hans Spemann Spemann, Hans (18691941), German embryologist and winner of the 1935 Nobel Prize for his description of the processes by which cells in an embryo. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

11. Spemann - YourDictionary.com - American Heritage Dictionary Search Mamma.com for "Spemann" TYPE IN YOUR WORD CLICK GO! Search (Pronunciation Key) Spe mann Listen shp m n , Hans 18691941. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

12. Spemann, Hans Spemann, Hans. Make Question.com your homepage Can't find what you want? Ask your question here. Home Internet Forum Medical Automotive http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

13. Hans Spemann - Wikipedia, The Free Encyclopedia Web page about Hans Spemann. Retrieved from http//en.wikipedia.org/wiki/Hans_Spemann . Categories 1869 births 1941 deaths Nobel Prize inPhysiology http://en.wikipedia.org/wiki/Hans_Spemann

14. Hans Spemann Hans spemann hans Spemann was born on June 27, 1869, in Stuttgart Germany.Spemann s name will always be associated with the work he did on experimental http://www.nobel-prize-winners.com/S/spemann/spemann.html

Hans Spemann Hans Spemann was born on June 27, 1869, in Stuttgart Germany. Spemann's name will always be associated with the work he did on experimental embryology. He made himself a master of micro-surgical technique. In 1924, while working on the relatively large eggs of amphibians he discovered, together with Hilde Mangold, the existence of an area in the embryo, the portions of which, upon transplantation into a different part of a second embryo ,induced the secondary embryonic primordia. The name "organizer centre" or "organizer" was given by him to those parts. For this discovery of the organizer effect in embryonic development, he was awarded the Nobel Prize in 1935. Later Spemann showed that different parts of the organization centre produced different parts of the embryo. The anterior parts of it tend to produce parts of the head, and the posterior parts of it parts of the tail. Further, tail organizers, when they are grafted into the head region of another embryo, may produce heads instead of tails, the reason being that they are influenced by the head organizer in their new environment. Earlier Spemann had transplanted the optic cups of new embryos into the outermost layer of the region of the abdomen and had found that they induced the production, in this new situation, of a lens of the eye. This was interpreted as being evidence of the existence of secondary organizers which operate after the induction exerted by the primary organizer has been completed.

15. Scientist Profile : Hans Spemann Hans Spemann, a German embryologist, is one of the original pioneers of modernembryology, and one of only two embryologists to ever be awarded the Nobel http://library.thinkquest.org/24355/data/light/details/profiles/spemann.html

The Details: Profiles: Hans Spemann Hans Spemann Walter Sutton Oswald Avery Francis Crick James Watson ... Richard Seed Hans Spemann, a German embryologist, is one of the original pioneers of modern embryology , and one of only two embryologists to ever be awarded the Nobel Prize. His studies focused upon the differentiation of embryo cells during an organism's development. Spemann, born in Stuggart, Germany in 1869, attended the University of Heidelberg and the University of Munch before earning his Ph.D. in botany, zoology, and physics at the Zoological Institute of the University of Wurzberg in 1895. Spemann's fascination with embryology did not begin until after his college years, when during the winter of 1986 he read August Weismann's book The Germ Plasm: A Theory of Heredity as he sat isolated in a sanitarium, recovering from tuberculosis. In Spemann, ingeniously using a stand of hair as a noose, successfully split apart the cells of a two-celled salamander embryo, and obtained a normal salamander from each individual cell. His work disproved August Weismann's theory that cells lose genetic information with each division. Also from his 1902 work, Spemann deduced that at a certain stage in development, called

16. Nobel: Medicine: Hans Spemann Hans Spemann *1869, † 1941. External links. The Nobel Prize Hans Spemann The Nobel Foundation powered by xago.org - The World Heritage Sites http://www.nobelpreis.org/english/medizin/spemann.htm

The Nobel Prize in Physiology or Medicine 1935 Next Previous Search Home ... Economics Hans Spemann (Germany) "For his discovery of the organizer effect in embryonic development" External links The Nobel Prize - Hans Spemann The Nobel Foundation powered by xago.org - The World Heritage Sites Webmaster Services

17. LookSmart - Directory - Hans Spemann Hans Spemann Get biographies and tributes to German zoologist Hans Spemann Spemann, Hans - Fan Dedication Peruse a comprehensive tribute to this Nobel http://search.looksmart.com/p/browse/us1/us317914/us10233894/us330473/us331426/

@import url(/css/us/style1.css); @import url(/css/us/searchResult1.css); Home IN the directory this category Home Sciences Scientists Biochemists Save a personal copy of any page on the Web and quickly find it again with Furl.net. Get started now. (It's free.) Hans Spemann - Get biographies and tributes to German zoologist Hans Spemann, plus analyses of his work. Directory Listings About Spemann, Hans - 1935 Nobel Biography Meet the German scientist who discovered the organizer effect in embryonic development. Learn more about his experimental embryology research. Spemann, Hans - Fan Dedication Peruse a comprehensive tribute to this Nobel laureate embryologist. With a biography, a bibliography, and analyses of his experiments. Spemann, Hans - Spemann's Induction Experiments Absorb a detailed analysis of his German scientist's ground-breaking work in the field of embryology. Join the Zeal community and help build the "Hans Spemann" Directory Category IN the directory this category FindArticles Furl Grub LookListings ... Terms of Service

18. Hans Spemann - Wikipedia Hans Spemann (En inglés).Obtenido de http//es.wikipedia.org/wiki/Hans_Spemann http://es.wikipedia.org/wiki/Hans_Spemann

Hans Spemann De Wikipedia, la enciclopedia libre. Hans Spemann (n. Stuttgart 27 de junio de Friburgo de Brisgovia 12 de septiembre de Embri³logo alem¡n Fue galardonado en con el Premio Nobel de Medicina por el descubrimiento del efecto conocido en la actualidad como inducci³n embriol³gica editar Enlaces externos Biograf­a del Instituto Nobel (ingl©s) Sitio sobre Hans Spemann (En ingl©s) Obtenido de " http://es.wikipedia.org/wiki/Hans_Spemann Categor­as M©dicos de Alemania Premio Nobel de Fisiolog­a o Medicina Views Art­culo Discusi³n Editar Historial Herramientas personales Registrarse/Entrar Navegaci³n Portada Portal de la comunidad Actualidad Cambios recientes ... Donativos Buscar Herramientas Lo que enlaza aqu­ Cambios en enlazadas Subir P¡ginas especiales ... Enlace permanente Otros idiomas Deutsch English Portuguªs Esta p¡gina fue modificada por ºltima vez a las 05:24 16 ago, 2005. El contenido est¡ disponible bajo los t©rminos de la GNU Free Documentation License Acerca de Wikipedia Aviso legal

19. Hans Spemann's Contributions To Developmental Biology Contains information about hans spemann 1935 Nobel Laureate in Medicine http://bio.p9.org.uk/hans_spemann.html

Hans Spemann Hans Spemann was born on June 27, 1869, in Stuttgart Germany. Spemann's name will always be associated with the work he did on experimental embryology. He made himself a master of micro-surgical technique. In 1924, while working on the relatively large eggs of amphibians he discovered, together with Hilde Mangold, the existence of an area in the embryo, the portions of which, upon transplantation into a different part of a second embryo ,induced the secondary embryonic primordia. The name "organizer centre" or "organizer" was given by him to those parts. For this discovery of the organizer effect in embryonic development, he was awarded the Nobel Prize in 1935. Later Spemann showed that different parts of the organization centre produced different parts of the embryo. The anterior parts of it tend to produce parts of the head, and the posterior parts of it parts of the tail. Further, tail organizers, when they are grafted into the head region of another embryo, may produce heads instead of tails, the reason being that they are influenced by the head organizer in their new environment. Earlier Spemann had transplanted the optic cups of new embryos into the outermost layer of the region of the abdomen and had found that they induced the production , in this new situation, of a lens of the eye. This was interpreted as being evidence of the existence of secondary organizers which operate after the induction exerted by the primary organizer has been completed.

20. Medicine 1935 hans spemann. hans spemann. Germany. University of Freiburg im Breisgau Breisgau,Germany Presentation Speech hans spemann Biography Nobel Lecture http://nobelprize.org/medicine/laureates/1935/

HOME SITE HELP ABOUT SEARCH ... EDUCATIONAL The Nobel Prize in Physiology or Medicine 1935 "for his discovery of the organizer effect in embryonic development" Hans Spemann Germany University of Freiburg im Breisgau Breisgau, Germany b. 1869 d. 1941 The Nobel Prize in Physiology or Medicine 1935 Presentation Speech Hans Spemann Biography ... Banquet Speech The 1935 Prize in: Physics Chemistry Physiology or Medicine Literature ... Peace Find a Laureate: Nobelprize.org Get to know all 770 Prize Winners! » Games and Simulations » SITE FEEDBACK ... TELL A FRIEND Last modified April 14, 2005

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