Ora serrata

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This article is about the ora serrata of the eye. For ora serrata, a historical term for the Z-line of the gastroesophageal junction, see Gastroesophageal junction.
Ora serrata
Diagram of the blood vessels of the eye, as seen in a horizontal section.
Gray's p.1018
Code TA A15.2.04.006
TA A15.2.04.006
FMA 58600
Anatomical terminology

The ora serrata is the serrated junction between the retina and the ciliary body. This junction marks the transition from the simple non-photosensitive area of the retina to the complex, multi-layered photosensitive region. In this region the pigmented epithelium of the retina transitions into the outer pigmented epithelium of the ciliary body and the inner portion of the retina transitions into the non-pigmented epithelium of the cilia. In animals in which the region does not have a serrated appearance, it is called the ora ciliaris retinae.

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