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November 1956

The Anatomy of the Trabecular Meshwork as Seen in Tangential Section

Author Affiliations

Palo Alto, Calif.
From The Division of Ophthalmology, Department of Surgery, Stanford University School of Medicine, San Francisco.

AMA Arch Ophthalmol. 1956;56(5):708-718. doi:10.1001/archopht.1956.00930040716010

The trabecular meshwork has a unique appearance, an important location, and it is not exceedingly small. Yet confusion and controversy still exists concerning its anatomy. This is readily understandable, for in studies of eye pathology meridional sections are made, in which only an unsatisfactory lateral view of the meshwork is seen.

In sections of the eye as usually made in the pathology laboratory, the trabeculae appear as a number of interrupted linear fibers running from the end of Descemet's membrane to the scleral spur and the ciliary muscle. This appearance is quite different than that which is seen in tangential and transverse sections and has led to disagreement on a number of points.

  1. Uveal and corneoscleral trabeculae. The trabeculum is usually described as consisting of two parts: an inner nonelastic uveal portion and an outer corneoscleral part containing elastic fibers. Anderson 1 states that the absence of elastic fibers

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