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retina
UMLS ID - C0035298
Semantic Type Listed - Body Part, Organ, or Organ Component
Definition - The ten-layered nervous tissue membrane of the eye. It is continuous with the OPTIC NERVE and receives images of external objects and transmits visual impulses to the brain. Its outer surface is in contact with the CHOROID and the inner surface with the VITREOUS BODY. The outer-most layer is pigmented, whereas the inner nine layers are transparent.
Source - UMLS
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