Theodor Schwann was born at Neuss near Düsseldorf on Dec. 7, At the University of Bonn, which he entered in , he met Johannes Müller, the physiologist, whom he assisted in his experiments. Schwann continued his medical studies at the University of Würzburg and later at the University of Berlin, from which he graduated in His doctoral dissertation dealt with the respiration of the chick embryo.
Contributions to Physiology and Anatomy
At the University of Berlin, Schwann again came into contact with Müller, who convinced him that he should follow a scientific career. Very soon after he began to work under Müller, he had his first success. From extracts which he made of stomach lining, Schwann demonstrated that a factor other than hydrochloric acid was operating in digestion. Two years later, in , he succeeded in isolating the active principle, which he named pepsin.
Between and Schwann undertook a series of experiments d
Theodor Schwann: biografia, teoria celular, outras contribui&#;&#;es
Contente
Theodor Schwann () foi um fisiologista alem&#;o considerado o fundador da histologia moderna, gra&#;as &#;s suas contribui&#;&#;es para a teoria celular e sua defini&#;&#;o da c&#;lula como a unidade fundamental da estrutura animal.
Estudou na Universidade de Bonn e foi l&#; que conheceu Johannes Peter M&#;ller, que mais tarde foi seu tutor e com quem foi assistente de pesquisa por alguns anos. J. P. M&#;ller foi caracterizado por seus m&#;todos experimentais e teve grande influ&#;ncia nos trabalhos de Schwann.
Desde cedo em sua vida profissional, Schwann se dedicou &#; pesquisa e passou a contribuir significativamente em diferentes &#;reas. Ele &#; creditado com a descoberta da pepsina e contribui&#;&#;es valiosas para a teoria celular; Al&#;m disso, ele inventou um aparelho que tornava poss&#;vel medir a for&#;a muscular.
Schwann fez seu doutorado na Universidade de Berlim e concluiu com sucesso seus estudos, j&#; que sua tese de doutorado foi altamente reconhecida por m&#;dicos e professores da &#;poca. Ao longo de sua vida, ele se dedicou ao estudo e compreens&#;o do sistema humano e f
Theodor Schwann
The German biologist Theodor Schwann () is considered a founder of the cell theory. He also discovered pepsin, the first digestive enzyme prepared from animal tissue, and experimented to disprove spontaneous generation.
Theodor Schwann was born at Neuss near Düsseldorf on Dec. 7, At the University of Bonn, which he entered in , he met Johannes Müller, the physiologist, whom he assisted in his experiments. Schwann continued his medical studies at the University of Würzburg and later at the University of Berlin, from which he graduated in His doctoral dissertation dealt with the respiration of the chick embryo.
Contributions to Physiology and Anatomy
At the University of Berlin, Schwann again came into contact with Müller, who convinced him that he should follow a scientific career. Very soon after he began to work under Müller, he had his first success. From extracts which he made of stomach lining, Schwann demonstrated that a factor other than hydrochloric acid was operating in digestion. Two years later, in , he succeeded in isolating the active principle, which he named pepsin.
Between and Schwann undertook a series of experiment
Theodor Ambrose Hubert Schwann
German Biologist
Theodor Schwann was a German physiologist who is credited with publishing the most influential work on cell theory. He made significant findings in the study of digestion, fermentation, and tissues.
Schwann originally left his hometown of Neuss to study religion in Cologne. Instead, he gave up theology to enroll in premedical studies at the University of Bonn. Later, in Berlin, he prepared a dissertation under the guidance of Johannes Müller (). Following his graduation, Schwann became Müller's assistant and devoted his time to research.
Having become interested in digestive processes, Schwann isolated from the lining of the stomach a chemical that was responsible for the digestion of protein. This chemical, which he called pepsin, was the first enzyme to be isolated from animal tissue.
Interested in disproving the theory of spontaneous generation (the production of living organisms from nonliving material), which was experiencing a resurgence in popularity among the German scientific community, Schwann began to research fermentation. He demonstrated that yeast consists of plant-like organisms and that the fermentatio
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