What is connective tissue? Describe the structure of areolar connective tissue with the help of a labelled diagram.

Explanation

### Step-by-Step Text Solution

**Step 1: Definition of Connective Tissue**
Connective tissue is one of the four main types of tissues in the body, alongside epithelial, muscular, and neural tissues. It consists of a group of cells that perform specific functions, primarily supporting and connecting different tissues and organs. Connective tissues are derived from the mesoderm layer during embryonic development.

**Step 2: Characteristics of Connective Tissue**
Connective tissues are characterized by:
- A diverse range of cell types.
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