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Caption
This image illustrates the "adipose eyelid" of many members of Clupeiformes. It is an immobile covering consisting of very fine microfibrils of collagen and its purpose is unknown.
Contributors

To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2012. The Animal Diversity Web (online). Accessed at http://animaldiversity.org.

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