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Lazzaro Spallanzani - College Papers

Lazzaro Spallanzani

Lazzaro Spallanzai, was the Italian physiologist who was one of the
founders of experimental biology. Born in Scandiano, a small town in the
providence of Emilia on Jan. 12, 1729 , Spallanzani was among the many
dedicated philosophersof the eighteeth century (Lazzaro...1). His main
scientific interests were biological and was a master at mircoscopy,but he
also looked into problems of physics,chemistry, geology, and meteorology,
and volcanology (Gillispie,1).

After attending a local school, Spallazani went at afe fifteen to a
Jesuit seminary in Reggio Emilia where he dominated in rhetoric,
philosophy, and languages. He left Reggio Emilia in 1749 to study
jurisprudence at the ancient ...

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infusions permanently barren and finally found that they
remained free of microorganisms when put into flasks that were sealed and
the contents boiled for one hour (Lazzaro...1).The entrance of air into
the flask through a slight crack in its neck was followed infusoria. He
reported no spontaneous generation in strongly heated infusions protected
from aerial contamination. In 1765, after cutting up thousands of
earthworms and exploiting the ability of the aquatic salamander to regrow
its tail, he resolved to investigate reproductive phenomena in animals ans
plants(Gillispie,3). He proved this by cuting theworms the area that
affected the segmental regenerative response. Amputation of the tailwas
followed by vascularization of the transparent growing stump. He also
established the general law that in susceptible species inverse ratio
obtains between the regenerativecapacity and age of the animal. Lazzaro
launched countless experiments relating to infusion animalcules ...

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PAPER DETAILS

Added: 5/11/2005 10:24:06 PM
Category: Biographies
Type: Premium Paper
Words: 703
Pages: 3

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