The spreading of the tumour to the neighbouring tissue is termed as

Options

A. Metagensis
B. Metastasis
C. Metamerism
D. Metamorphosis

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes the spreading of a tumor to neighboring tissues.

2. **Analyzing the Options**:
- **Metagenesis**: This term refers to a biological phenomenon involving alternation of generations, commonly seen in organisms like Cnidarians. It is not related to tumor spread.
- **Metastasis**: This term specifically refers to the process by which cancer cells spread from the primary site of the tumor to secondary sites in the body. This is the process we are looking for.
- **Metamerism**: This term refers to the segmentation of body parts in organisms, which is unrelated to tumors.
- **Metamorphosis**: This term describes the transformation from an immature form to an adult form in certain organisms, such as frogs. It does not relate to tumor spreading.

3. **Identifying the Correct Answer**: Based on the analysis, the correct term that describes the spreading of a tumor to neighboring tissues is **metastasis**.

4. **Conclusion**: The answer to the question is **metastasis**.

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