Macrophages are also known as:

Options

A. B-cells
B. Tumour cell
C. Phagocytes
D. Natural killer cells

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the alternative name for macrophages. Macrophages are a type of immune cell involved in the detection and destruction of pathogens.

2. **Analyzing the Options**:
- **Option A: B-cells**: B-cells are also known as B lymphocytes and are primarily responsible for antibody production. They are not synonymous with macrophages.
- **Option B: Tumor cells**: Tumor cells refer to cancerous cells and do not relate to macrophages in function or classification.
- **Option C: Phagocytes**: Phagocytes are cells that can engulf and digest cellular debris and pathogens. Macrophages are indeed a type of phagocyte, making this option a strong candidate.
- **Option D: Natural killer cells**: Natural killer cells are a type of lymphocyte that can kill virus-infected cells and tumor cells, but they are not macrophages.

3. **Identifying the Correct Answer**: Among the options, "phagocytes" is the correct term that encompasses macrophages since macrophages are specialized phagocytic cells.

4. **Conclusion**: Therefore, the answer to the question "Macrophages are also known as:" is **phagocytes**.

**Final Answer**: Macrophages are also known as **phagocytes**.

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