Relating to both the ciliary body (part of the eye) and the retina; describing blood vessels or nerves connecting these eye structures.
From 'cilium' combined with 'retinal' (relating to the retina). Medical terminology created in the 19th century to describe anatomical relationships in eye circulation and nerve pathways.
Your eye's ciliary body is basically a muscular ring that acts like a biological autofocus camera—and the cilioretinal vessels feeding the retina are proof that your eye's plumbing is as intricate as any engineering masterpiece!
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