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Otto Bütschli

Bütschli, Otto (ôˈtō büchˈlē) [key], 1848–1920, German zoologist. He was professor of zoology at the Univ. of Heidelberg. His researches on invertebrate animals advanced knowledge of the development of gastropods, insects, and other forms; the structure of nematode worms; and processes of division of the nucleus and cell. A significant contribution was his theory (1878) of the structure of protoplasm, which suggested that it is alveolar or foamlike; he helped to establish that it is fluid in nature.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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