Pleuripotent cells of the bone marrow are the stem cells which are involved in forming

Options

A. RBC
B. RBC and leucocytes
C. leucocytes
D. lymphocytes

Explanation

### Step-by-Step Solution:

1. **Understanding Pluripotent Stem Cells**:
- Pluripotent stem cells are undifferentiated cells found in the bone marrow that have the potential to develop into various types of cells in the body.

2. **Differentiation Pathways**:
- These pluripotent stem cells can differentiate into two main lineages:
- **Myeloid Stem Series**: This lineage gives rise to red blood cells (RBCs), platelets, and all types of white blood cells (WBCs) except lymphocytes.
- **Lymphoid Stem Series**: This lineage specifically produces lymphocytes, which are a type of white blood cell.

3. **Types of Cells Produced**:
- From the **Myeloid Stem Series**, the following cells are produced:
- **Red Blood Cells (RBCs)**: Also known as erythrocytes, responsible for oxygen transport.
- **Platelets**: Involved in blood clotting.
- **White Blood Cells (WBCs)**: Includes granulocytes (basophils, eosinophils, neutrophils) and agranulocytes (lymphocytes and monocytes).
- From the **Lymphoid Stem Series**, the following cells are produced:
- **B Lymphocytes**: Can differentiate into plasma cells that produce antibodies and memory B cells.
- **T Lymphocytes**: Differentiate into T helper cells, T killer cells, T suppressor cells, and memory T cells.

4. **Conclusion**:
- Therefore, pluripotent stem cells in the bone marrow are involved in forming:
- **Red Blood Cells (RBCs)**
- **Platelets**
- **All types of White Blood Cells (WBCs)**, including lymphocytes.
- The correct answer to the question is that pluripotent cells of the bone marrow are involved in forming **all blood cells** (RBCs and WBCs).

### Final Answer:
Pluripotent cells of the bone marrow are involved in forming **all types of blood cells**, including red blood cells (RBCs) and white blood cells (WBCs).

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