The following are associated with male reproductive system except.

Options

A. Seminal vesicle
B. Prostate gland
C. Bulbourethral glands
D. Bartholin's glands

Answer

To solve the question "The following are associated with the male reproductive system except," we need to analyze the options provided and identify which one does not belong to the male reproductive system.

### Step-by-Step Solution:

1. **Identify the Options**: The options provided are:
- A) Seminal vesicle
- B) Prostate gland
- C) Bulbourethral gland
- D) Botulin gland

2. **Evaluate Each Option**:
- **Seminal Vesicle**: This is a gland that is part of the male reproductive system. It produces seminal fluid, which nourishes and helps transport sperm.
- **Prostate Gland**: This gland is also part of the male reproductive system. It produces a fluid that nourishes and protects sperm.
- **Bulbourethral Gland**: This gland, also known as Cowper's gland, is involved in the male reproductive system. It produces a pre-ejaculatory fluid that lubricates the urethra.
- **Botulin Gland**: This gland is not part of the male reproductive system. It is actually associated with the female reproductive system and is responsible for lubrication of the vagina.

3. **Conclusion**: After evaluating all the options, we find that the **Botulin gland** (Option D) is not associated with the male reproductive system. Therefore, the answer to the question is **Option D**.

### Final Answer:
**Option D: Botulin gland**

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