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February 1959

News and Comment

AMA Arch Ophthalmol. 1959;61(2):338-342. doi:10.1001/archopht.1959.00940090340022

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Two Illustrations from Exhibit Shown at San Francisco.  —The accompanying electron micrographs are from the exhibit "The Ciliary Epithelium as Seen with the Electron Microscope" by Drs. G. D. Pappas and G. K. Smelser, of Columbia University College of Physicians and Surgeons. The exhibit won honorable mention at the American Medical Association Meeting at San Francisco, June, 1958.

Plate 1.  —Portions of two adjacent ciliary epithelial cells (from adult albino rabbit) showing complex interdigitations (A) of their boundaries. Infoldings (B) of the surface facing the posterior chamber (PC) are also shown. The surface of the epithelial cells facing the posterior chamber (PC) is lined with the internal limiting membrane (1). Zonular fibrils (Z) enter the internal limiting membrane but do not penetrate any closer to the epithelial cells. Elements of the endoplasmic reticulum (ER) as well as mitochondria (M) are evident in the cytoplasm of these cells. X

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