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Choroid is...

Choroid is

A

Loose connective tissue with pigment cells and vascular supply

B

Muscular tissue rich in blood supply

C

Epthelium

D

Nervous system.

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Structure of the Eye**: The eye is composed of three main layers: the outer layer (sclera), the middle layer (choroid), and the inner layer (retina). 2. **Identifying the Choroid**: The choroid is specifically the middle layer of the eye. It lies between the sclera (the tough outer layer) and the retina (the light-sensitive inner layer). 3. **Composition of the Choroid**: The choroid is primarily made up of loose connective tissue. This type of tissue is characterized by a variety of cells and fibers that provide support and flexibility. 4. **Presence of Pigment Cells**: The choroid contains pigment cells, which contribute to its bluish appearance. These pigment cells help absorb excess light, preventing scattering within the eye. 5. **Vascular Supply**: The choroid is rich in blood vessels, which supply nutrients and oxygen to the eye, particularly to the retina. This vascular supply is crucial for the health and function of the eye. 6. **Thickness Variation**: The choroid is thinner in the posterior two-thirds of the eyeball and thicker in the anterior part, where it forms the ciliary body, which is involved in focusing the lens. 7. **Conclusion**: Based on the above points, the correct description of the choroid is that it is "loose connective tissue with pigment cells and vascular supply." It is not muscular tissue, epithelium, or part of the nervous system. **Final Answer**: Choroid is loose connective tissue with pigment cells and vascular supply. ---
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