Zusammenfassung
Nach frühen Experimenten im 16. und 17. Jahrhundert begannen quantitative Versuche zur intestinalen Resorption am Menschen Ende des 18. Jahrhunderts (Spallanzani 1780). Von der ersten Hälfte des 19. Jahrhunderts sind Experimente zur Aufklärung der intestinalen Resorption an Tieren bekannt, wobei schon In-situ-Präparationen angewandt wurden (s. Literaturangaben bei Parsons 1968). Im allgemeinen beschränkten sich In-vivo-Versuche in Tieren auf die orale Applikation von Stoffen und die Erfassung derselben oder ihrer Digestionsprodukte im Gastrointestinaltrakt der getöteten Tiere. Durch Cori (1925) wurde diese Methode verbessert, indem er in Versuchen zur Kohlenhydratresorption verschiedene Zucker mit Hilfe einer Magensonde verabreichte. Beeinflussungen durch die Magenentleerung wurden später durch die Plazierung einer Duodenalsonde umgangen (Fenton 1945). Die heute weit verbreiteten und vielfach modifizierten Perfusionsmethoden an Tieren wurden durch Versuche von Sols u. Ponz (1947) begründet. Ebenso wie beim Tier wurde auch beim Menschen die quantitative Erfassung intestinaler Resorptionsleistungen durch die Einführung von Sonden zugänglich. Nach Versuchen von Abbott u. Miller (1936) wurden erstmals von Nicholson u. Chornock (1942) direkte Messungen zur Dünndarmresorption am Menschen durchgeführt.
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Elsenhans, B. (1983). Experimentelle Methoden. In: Bazzoli, F., et al. Dünndarm A. Handbuch der inneren Medizin, vol 3 / 3 / A. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-68415-9_4
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