Name the parts of adrenal gland that are endocrine in nature.

Explanation

**Step-by-Step Solution:**

1. **Identify the Structure of the Adrenal Gland**: The adrenal gland is composed of two main parts: the adrenal cortex and the adrenal medulla.

2. **Define the Endocrine Nature**: Endocrine glands are those that secrete hormones directly into the bloodstream. Both parts of the adrenal gland have endocrine functions.

3. **Name the Parts**:
- **Adrenal Cortex**: This is the outer part of the adrenal gland and is responsible for producing several hormones, including corticosteroids (like cortisol and aldosterone).
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