Bartholin's glands are situated :-

Options

A. On the sides of the head of some amphibians
B. At the reduced tail end of birds
C. On either side of vagina in humans
D. On either side of vas deferens in humans

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the location of Bartholin's glands in the human body.

2. **Identifying Options**: The options provided are:
- A) On the sides of the head of some amphibians
- B) At the reduced tail end of birds
- C) On either side of the vagina in humans
- D) On either side of the vas deferens in humans

3. **Analyzing the Options**:
- **Option A**: This refers to amphibians, which is not relevant to human anatomy.
- **Option B**: This pertains to birds, which is also not relevant.
- **Option C**: This states that Bartholin's glands are located on either side of the vagina in humans. This is consistent with anatomical knowledge.
- **Option D**: This mentions the vas deferens, which is part of the male reproductive system, and not related to Bartholin's glands.

4. **Confirming the Correct Option**: Bartholin's glands are indeed located on either side of the vaginal opening in females. They secrete fluid that helps to lubricate the vagina.

5. **Conclusion**: The correct answer is **C) On either side of the vagina in humans**.