Nutrients are delivered and waste products are carried away from the cells of the posterior segment of the eye by blood vessels.

Question

3 years ago

5

However, the cells in the cornea and lens (in the anterior segment) are avascular. Which is the best explanation for how these cells are maintained?

1 answer:

kolezko [41] · Answer 1 · 2022-05-28T20:42:40+03:00

Answer:

The cells on the cornea are maintained by pheripheral vessels and surrounding fluids.

Explanation:

*- The capillaries of the limbus nourish the peripheral part of the cornea.

*- Tears supply of glucose in the tear film

*- Aqueous humor nourishing the outermost layers of the cornea the endothelium being a unicellular layer