Describe structure of a tracheid.

Explanation

### Step-by-Step Text Solution for the Structure of a Tracheid:

1. **Definition and Function**:
- Tracheids are specialized cells found in the xylem tissue of vascular plants, particularly in primitive plants. They play a crucial role in the transport of water and minerals from the roots to other parts of the plant.

2. **Cell Shape and Size**:
- Tracheids are elongated, tube-like cells. Their structure allows them to efficiently transport water over long distances.

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