What Is the Retinal Pigment Epithelium?

Retinal pigment epithelium is composed of a single layer of pigment epithelium cells and is arranged very regularly. The cells are polygonal in shape, and the cells are divided into three parts, namely the top, body, and base. There are 4.2-6.1 million retinal pigment epithelial cells per eye. Retinal pigment epithelium has no regenerative capacity. Cells are not replaced after death, but adjacent cells slide to the side to fill the space left by the dead cells. [1]

Retinal pigment epithelium

Retinal pigment epithelium is composed of a single layer of pigment epithelium cells and is arranged very regularly. The cells are polygonal in shape, and the cells are divided into three parts, namely the top, body, and base. There are 4.2-6.1 million retinal pigment epithelial cells per eye. Retinal pigment epithelium has no regenerative capacity, and cells are not replaced after death. Instead, neighboring cells slide to the side to fill the space left by the dead cells. [1]

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