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Date: 14-8-2016
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Date: 12-1-2017
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Ciliary Processes and Zonula Filaments
The functions of the ciliary body are accommodation and the release of ocular fluid. Both parts of the ciliary body are covered by a two-layered epithelium. The suspensor filaments for the lens (zonula filaments, zonula lentis, Zinn zonule) 2 extend from the surface of the ciliary processus 1 to the lens capsule. This establishes the connection between lens and ciliary muscle. There are thick suspensor fibers and thinner tensile fibers. The latter are not anchored in the ciliary epithelium but span the distance between ciliary fold and basal membrane of the non-pigmented epithelium. The thinner fibers may be considered part of the basal membrane. The figure shows the attachment of the zonula filaments to the walls of the ciliary processus.
1 Ciliary processus
2 Lens zonula, zonula filaments
Scanning electron microscopy; magnification: × 660
References
Kuehnel, W.(2003). Color Atlas of Cytology, Histology, and Microscopic Anatomy. 4th edition . Institute of Anatomy Universitätzu Luebeck Luebeck, Germany . Thieme Stuttgart · New York .
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كيف تساهم الأطعمة فائقة المعالجة في تفاقم مرض يصيب الأمعاء؟
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مشروع ضخم لإنتاج الهيدروجين الأخضر يواجه تأخيرًا جديدًا
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المجمع العلمي يختتم دورته القرآنية في فن الصوت والنغم بالطريقة المصرية
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