Zone glomerulosa is the region of which of the following gland?

Options

A. Adrenal gland
B. Pituitary gland
C. Hypothalamus
D. Testis

Answer

To determine the gland associated with the zone glomerulosa, we will analyze the options provided in the question step by step.

### Step 1: Identify the Options
The options given are:
1. Adrenal gland
2. Pituitary gland
3. Hypothalamus
4. Testis

### Step 2: Understand the Function of Each Gland
- **Adrenal Gland**: This gland is located on top of each kidney and is responsible for producing various hormones. It consists of two main parts: the adrenal cortex and the adrenal medulla.
- **Pituitary Gland**: Often referred to as the "master gland," it is located at the base of the brain and regulates various hormonal functions in the body.
- **Hypothalamus**: This is a region of the brain that controls the pituitary gland and regulates many bodily functions including temperature, hunger, and thirst.
- **Testis**: The male reproductive organ responsible for producing sperm and testosterone.

### Step 3: Focus on the Adrenal Gland
The adrenal gland has two main parts:
- **Adrenal Medulla**: The inner part that produces catecholamines (like adrenaline).
- **Adrenal Cortex**: The outer part that is further divided into three zones:
- **Zona Glomerulosa**: The outermost layer responsible for producing mineralocorticoids (like aldosterone).
- **Zona Fasciculata**: The middle layer that produces glucocorticoids (like cortisol).
- **Zona Reticularis**: The innermost layer that produces sex hormones.

### Step 4: Identify the Correct Answer
Since the question specifically asks about the zone glomerulosa, which is known to be the outer layer of the adrenal cortex, the correct answer is:
**Adrenal Gland**.

### Conclusion
The zone glomerulosa is a region of the adrenal gland.

### Final Answer
**Adrenal gland** (Option 1).

---