Name the simple epithelium present in the thyroid follicles.

Explanation

To answer the question regarding the type of simple epithelium present in the thyroid follicles, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Structure**: The question asks about the simple epithelium found in thyroid follicles. Thyroid follicles are spherical structures within the thyroid gland.

2. **Understand the Cell Type**: The epithelial cells that line these follicles are known as thyroid epithelial cells. They are also referred to as follicular cells or principal cells.

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