The term cell was used by:

Options

A. Dutrochet
B. Schleiden
C. Schwann
D. Robert Hooke

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks who coined the term "cell."

2. **Recall Relevant Information**: The term "cell" was first used by a scientist while studying cork slices.

3. **Identify the Scientist**: The scientist who coined the term "cell" is Robert Hooke.

4. **Context of Discovery**: Robert Hooke made this discovery in the year 1665. He was examining cork slices under a compound microscope.

5. **Description of Observation**: Hooke observed the honeycomb-like structures in the cork and named them "cells." He could only see the cell walls as the cells were dead tissue.

6. **Clarification on Live Cells**: Although Hooke discovered the term "cell," the first person to observe live cells was Antonie van Leeuwenhoek in 1674.

7. **Conclusion**: Therefore, the term "cell" was coined by Robert Hooke.

**Final Answer**: The term "cell" was used by Robert Hooke.

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