Which gland secretes odourous secretion in mammals:

Options

A. Bartholins
B. Prostate
C. Anal gland
D. Liver-bile

Answer

To determine which gland secretes odorous secretion in mammals, we can analyze the options provided:

1. **Bartholin's Glands**:
- These glands are located on either side of the vaginal opening in females.
- Their primary function is to secrete a lubricating fluid during sexual arousal, not an odorous secretion.
- **Conclusion**: Not the correct answer.

2. **Prostate Gland**:
- This gland is found in males and produces a milky fluid that is part of semen.
- Its main role is to aid in sperm motility during ejaculation.
- **Conclusion**: Not the correct answer.

3. **Anal Glands**:
- These are small paired glands located near the anus.
- They secrete a foul-smelling liquid that is used for marking territory and identification among mammals.
- This secretion is indeed odorous.
- **Conclusion**: This is the correct answer.

4. **Liver (Bile)**:
- The liver produces bile, which is important for the digestion of fats.
- Bile does not have an odorous secretion associated with it in the context of mammalian glands.
- **Conclusion**: Not the correct answer.

Based on the analysis, the gland that secretes odorous secretion in mammals is the **Anal Gland** (Option C).

### Final Answer:
**C. Anal Gland**