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| Language | English |
| Format | PDF (Premium Digital) |
| Ownership | Permanent download — yours forever |
Über die Entwicklung des Dünndarms der Ratte by L Vollrath
Durch die Anwendung biochemischer und histochemischer Methoden sowie der Elektronenmikroskopie hat die entwicklungsgeschichtliche Forschung in den letzten Jahren eine starke Entfaltung erfahren. Dies verwundert nicht, da ein tieferes V er- st ndnis der entwicklungsgeschichtlichen Vorg nge nur bei Ber cksichtigung der auch im molekularen und submikroskopischen Bereich ablaufenden Differenzie- rungsprozesse zu gewinnen ist. Der Schwerpunkt der chemisch ausgerichteten embryologischen Studien liegt in der Fr hentwicklung. Vergleichsweise wenige Arbeiten befassen sich mit der genannten Problematik in der letzten Phase der Entwicklung, in der die Organogenese vor ihrem Abschlu steht und durch die Funktionsaufnahme ihr besonderes Gepr ge erh lt. Da in dieser Periode mit kon- ventionellen histologischen Methoden meist keine Ver nderungen mehr zu be- obachten sind, sind histochemische und elektronenmikroskopische Untersuchungen besonders geeignet, evtl. vorhandene weitere Differenzierungsvorg nge aufzu- decken und den Entwicklungsablauf auch in funktioneller Hinsicht besser zu charakterisieren. Die vorliegende Studie ber die Entwicklung des D nndarms der Ratte soll hierzu einen Beitrag leisten. Im Mittelpunkt dieser Untersuchung stehen die Entwicklung der Feinstruktur und die Chemodifferenzierung des fetalen und postnatalen Jejunums. Auf die Histo- genese des Organs wird nur am Rande eingegangen, da entsprechende Unter- suchungen vorliegen (HILTON, 1902; HuMMEL, 1935; KAMMERAAD, 1942). Im Rahmen feinstruktureHer Untersuchungen, die bisher nur f r die Entwicklung der Saum- (BEHNKE, 1963; DuNN, 1967; HAYWARD, 1967 a, b) und Panethschen K r- nerzellen (BEHNKE u. MoE, 1964) durchgef hrt wurden, interessiert in funktioneller Hinsicht vor allem die Differenzierung der f r die Resorption wichtigen Strukturen wie Zotten und Saumzellen mit ihren Organellen.| SKU | NLS9783540044598 |
|---|---|
| ISBN 13 | 9783540044598 |
| ISBN 10 | 3540044590 |
| Author | L Vollrath |
| Series | Advances In Anatomy Embryology And Cell Biology |
| Condition | New |
| Binding Type | Paperback |
| Publisher | Springer |
| Year published | 1969-01-01 |
| Number of pages | 70 |
| Cover note | Book picture is for illustrative purposes only, actual binding, cover or edition may vary. |
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