This section is from "The American Cyclopaedia", by George Ripley And Charles A. Dana. Also available from Amazon: The New American Cyclopædia. 16 volumes complete..
Karl Heinrich Schultz-Schultzenstein, a German physiologist, born at Alt-Ruppin, Prussia, July 8, 1798, died in Berlin, March 27, 1871. He graduated at Berlin, where he became in 1825 extraordinary, and in 1833 ordinary professor of physiology. His works relating to his microscopical investigations of the movement of sap and the internal organization of plants include Die Natur der le-bendigen Pflanze (2 vols., Berlin, 1823); Sur la circulation et sur les vaisseaux lactifères dans les plantes (1839), crowned by the French academy; Die Cyclose des Lebenssaftes in den Pflanzen (Bonn and Breslau, 1841); Ueber Anaphytose oder Verjüngung der Pflanzen (Berlin, 1843); Neues System der Morphologie der Pflanzen (1847); and Die Verjüngung im Pflanzenreich (1851). In animal physiology his most important works are Ueber die Verjüngung des menschlichen Lebens (Berlin, 1842) and Die Verjüngung im Thierreich (1854). He endeavored to found a new system of psychology in his treatises Die Bildung des menschlichien Geistes durch Cultur der Verjüngung (1855), Die Moral als Heilwissen-schaft und Culturwissenschaft (1863), and Die Physiologie der Verjüngung des Lebens im Unterschiede von dynamischen und materia-listischen Stoffwechseltheorien (1867). He also wrote on the history of medicine and the theory of disease.
 
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