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Physiologie der Tränenerzeugung

  • Darlene A. Dartt

Zusammenfassung

Der Tränenweg besteht aus drei Schichten: einer äußeren Lipidschicht, einer mittleren wäßrigen Schicht und einer inneren Muzinschicht. Von den zahlreichen, das Auge umgebenden Drüsen trägt eine jede zur Bildung des Tränenfilms bei. Die Meibom-Drüsen und in geringerem Maße die Zeis- und Moll-Drüsen sondern die Lipide der äußeren Schicht ab. Die Tränendrüse bildet zusammen mit den akzessorischen Tränendrüsen (Krause- und Wolfring-Drüsen) die mittlere wäßrige Schicht. Becherzellen und bis zu einem gewissen Grad die Henle-Krypten und die Manz-Drüsen sondern die innere Schleimschicht ab. Dieses Kapitel wird vor allem aüf zwei Aspekte der Tränenerzeugung eingehen: die neurokrine Regulation und den sekretorischen Zellmechanismus.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1991

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  • Darlene A. Dartt

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