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Exp Eye Res. 1989 Feb;48(2):295-301.

Discontinuities of the external limiting membrane in the fovea centralis of the primate retina.

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Department of Ophthalmology, College of Physicians and Surgeons of Columbia University, New York, N.Y. 10032.


In the center of the fovea centralis of retinas of three cynomolgus monkeys, one baboon and one male human, the external limiting membrane contains circumscribed areas in which zonulae adherentes are lacking between cone inner segments and apices of Müller cells. These discontinuities of the external limiting membrane begin about 300 microns from the foveolar center, involving only a few cones. Towards the center of the fovea the discontinuities become larger.

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