Harderian gland occurs in connection with

Options

A. Lower eyelid
B. Upper eyelid
C. Cornea
D. Iris

Answer

To answer the question about the Harderian gland and its connection, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Harderian Gland**: The Harderian gland is a gland found in certain animals, including frogs. It is involved in the secretion of substances that help lubricate the eye.

2. **Identifying the Location**: The Harderian gland is located below the lower eyelid of the frog. It is important to note the anatomical position of this gland in relation to the eyelids.

3. **Function of the Harderian Gland**: The secretion from the Harderian gland serves to lubricate the eyeball and is involved in the functioning of the nictitating membrane, which is a protective layer that can cover the eye.

4. **Analyzing the Options**: The options provided are:
- A) Lower eyelid
- B) Upper eyelid
- C) Cornea
- D) Aegis

5. **Selecting the Correct Answer**: Based on the information that the Harderian gland is located below the lower eyelid and is associated with it, the correct answer is:
- **A) Lower eyelid**

### Final Answer:
The Harderian gland occurs in connection with the **lower eyelid**.

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