Scleral spur

Scleral spur

The origin of some of the ciliary muscle fibres and the anchor of the trabecular meshwork, the scleral spur is an annular structure that appears as a projection posterior to the canal of Schlemm and whose function is purely mechanical.


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  • calcar sclerae — [TA] scleral spur: the posterior lip of the venous sinus of the sclera to which most of the fibers of the trabecular reticulum of the iridocorneal angle and the meridional fibers of the ciliary muscle are attached; called also scleral roll …   Medical dictionary

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