What are the three types of cells found in areolar tissue?

Explanation

**Step-by-Step Solution:**

1. **Identify Areolar Tissue**: Areolar tissue is a type of loose connective tissue that provides support and flexibility to various organs and structures in the body. It is found beneath the skin and between organs.

2. **List the Types of Cells**: The three main types of cells found in areolar tissue are:
- **Fibroblasts**: These cells are responsible for producing and secreting fibers, which are essential for the structural integrity of the tissue.
- **Macrophages**: These cells play a crucial role in the immune response by performing phagocytosis, which involves engulfing and digesting cellular debris and pathogens.
- **Mast Cells**: These cells contain granules that store chemicals such as histamine and heparin. Histamine is involved in allergic reactions, while heparin acts as an anticoagulant.
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