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Choroid (Image)

choroid under the retina
The choroid is a bed of blood vessels located under the photoreceptors. Nutrition percolates up to nourish the retina, and waste product is dumped back down into the choroid.

retinaldetachment.jpg
With retinal detachments, the photoreceptors lose their choroid blood supply and atrophy quickly.

These drawings were pulled from our comparative anatomy lecture.



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