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Bruch's membrane or lamina vitrea is the innermost layer of the choroid of the eye. It is also called the vitreous lamina or Membrane vitriae, because of its glassy microscopic appearance. It is 2-4 um thick.

Anatomy

Structure

Bruch's membrane consists of five layers (from inside to outside):
#the basement membrane of the retinal pigment epithelium
#the inner collagenous

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