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Why there are no blood capillaries in th...

Why there are no blood capillaries in the cornea of the eye and cartilage? How are these regions supplied with the required nutrients?

Text Solution

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1. Comea lacks blood vessels which keeps the eye clear for vision.
2. It receives nutrients by diffusion from the tear fluid and aqueous humour in the eye.
3. There are no blood vessels in cartilage Nutrients diffuse through a dense connective tissue surrounding the cartilage.
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