Define the following
Oedema

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Edema**: Edema, also known as dropsy, is a medical condition characterized by the accumulation of fluids in certain body tissues.

2. **Mechanism of Edema**: This accumulation occurs in the gaps between cells in the tissues. When excess fluid builds up in these spaces, it leads to swelling in the affected area.

3. **Symptoms**: The primary symptom of edema is swelling in the body part where fluid has accumulated. This swelling can be noticeable and may vary in severity.

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