external limiting membrane


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Related to external limiting membrane: internal limiting membrane, glial limiting membrane

external limiting membrane

1. The outer layer of cells of the embryonic neural tube.
2. The membrane in the retina of the eye through which the receptor portions of the rods and cones protrude.
See also: membrane
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Rosen, "External limiting membrane and visual outcome in macular hole repair: spectral domain OCT analysis," Eye, vol.
In addition, it was observed that there was irregularity in the ellipsoid zone and external limiting membrane of the foveal region, which was more pronounced in the right eye.
Partial microstructural reconstruction, demonstrated on SD-OCT as restoration of the external limiting membrane and the ellipsoid zone, was observed in all cases as early as 1 month after surgery.