Versuche über Resorption, Verdauung und Stofwechsel von Echinodermen.
- Softcover
- Used
Seller: Antiq. F.-D. Söhn - Medicusbooks.Com, Marburg, GermanyAntiq. F.-D. Söhn - Medicusbooks.Com
AbeBooks seller since January 12, 2006
Condition: Used
£ 33.51
Quantity: 1 available
Add to basketItem description from seller
Hoppe-Seyler's Zschr., 33/1+2. - Strassburg, Verlag von Karl J. Trübner, 1901, 8°, pp.9-54, orig. Broschur. Erstdruck! "Bei den Untersuchungen der letzten Jahre über Darmresorption, Nierensecretion und Lymphbildung hat sich ergeben, dass es nicht möglich ist, mit Kräften auszukommen, die der Zusammensetzung der Flüssigkeiten oder dem Aufbau der Wand ihren Ursprung verdanken. Bei diesen Processen wirken Kräfte, die von dem Protoplasma der Zellen geliefert, aus den Spannkräften der Nahrung von ihm erzeugt werden. Zusammen mit ihnen wirken nun aber oft auch osmotische und andere Kräfte, deren vollständige Trennung von den anderen bisher noch in keinem Falle gelungen ist. Eine stets wiederkehrende Schwierigkeit bei diesen Untersuchungen besteht nun bekanntlich darin, dass wir meist gar nicht in der Lage sind, die fraglichen Flüssigkeiten in ihrem ursprünglichen Zustande zu untersuchen, in dem sie aus der Arbeit der Organe hervorgegangen sind. Am Darm speciell haben sich alle bisherigen Untersucher nur mit den Veränderungen beschäftigen können, welche die in sein Lumen eingebrachte Flüssigkeit daselbst erfährt. Eine Feststellung der resorbirten Substanzen auf der anderen Seite der Membran, im Blute, war unmöglich. Denn am lebenden Thiere wird das durch die Capillaren der Darmwand strömende Blut durch die Circulation fortwährend erneuert, sodass in jeder einzelnen Portion nur äusserst geringe Substanzmengen sich finden, und am isolirten, aus der Circulation entfernten Darme vermochte ich zwar eine Resorption von Flüssigkeiten beobachten, dagegen keinen Tra<nsort von gelösten Substanzen durch den Darm hindurch nach aussen. Diese Schwierigkeiten konnten villeicht vermieden werden, wenn man die Resorptionsversuche nicht, wie bisher, ausschliesslich an warmblütigen Wirbelthieren anstellte, sondern sich unter den Wirbellosen nach geeigneten Objecten umsah." Cohnheim Otto Kestner (geboren Cohnheim, ab 1916 Kestner); (1873 -1953) Arzt und Physiologe.…
Seller Inventory # 40295
Bibliographic details
- Title
- Versuche über Resorption, Verdauung und Stofwechsel von Echinodermen.
- Author
- Cohnheim (Kestner), Otto
- Publication year
- 1901
- Binding
- Soft cover
- Seller catalogs
- Pathologie
Antiq. F.-D. Söhn - Medicusbooks.Com
Marburg, Germany
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Antiquariat für Medizin - Fritz-Dieter Söhn - MedicusBooks.Com, 35037 Marburg, Renthof 8, Deutschland, 0049-(0)6421-66002, office@medicusbooks.com - is a mail order firm founded in 1978 by Fritz-Dieter Söhn. It has one of the world's largest inventories of old, rare, and out-of-print books in medicine, surgery, and related fields -- more than 25,000 already registered titles and many more on stock. We have a comprehensive stock of secondary sources, books on medical history, medical biography, and medical bibliography. Our stock includes not only books but engraved prints to all medical subjects, as well portraits of physicians, surgeons, and medical scientists. We issue catalogues on all special fields of medicine on request so please order our catalogues. Please let us know what subjects and authors you search for, and be sure we respond to your want lists. …
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Antiq. F.-D. Söhn - Medicusbooks.Com
Germany
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Antiquariat für Medizin
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