Intercrescencce of endothelium and endodermis occurs in

Options

A. Sinuses
B. Rete mirabile
C. Great blood vessels
D. Corpus luteum.

Answer

To solve the question regarding the intercrescence of endothelium and endodermis, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Terms**:
- **Endothelium**: This is a thin layer of cells that lines the blood vessels and lymphatic vessels.
- **Endodermis**: This is a layer of cells in plant roots that regulates the flow of water and nutrients.

2. **Identify the Options**:
- The options provided are sinuses, rate invariably great blood vessels, and corpus luteum.

3. **Analyze Each Option**:
- **Sinuses**: These are hollow cavities lined by mucosa. They can be found in various parts of the body and are involved in various functions, including the respiratory system.
- **Rate invariably great blood vessels**: This term is not commonly used in biological terminology and does not directly relate to the concept of intercrescence.
- **Corpus Luteum**: This is a temporary endocrine structure involved in the menstrual cycle and pregnancy, but it does not involve the intercrescence of endothelium and endodermis.

4. **Determine the Correct Answer**:
- Based on the analysis, the intercrescence of endothelium and endodermis occurs in **sinuses**. This is because sinuses are lined by tissues that can exhibit such intercrescence.

5. **Conclusion**:
- Therefore, the correct answer to the question is **sinuses**.