Omnis cellula-e cellula' i.e., new cells arise from prexisting cells , this statement was given by

Options

A. Schleiden and Schwann
B. Rudolf Virchow
C. Robert Brown
D. Robert Hooke.

Explanation

To answer the question "Omnis cellula-e cellula' i.e., new cells arise from pre-existing cells, this statement was given by," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Statement**: The phrase "Omnis cellula-e cellula" translates to "all cells come from cells." This implies that new cells are produced from existing cells.

2. **Identifying the Context**: This statement is a fundamental part of the cell theory, which describes the properties and functions of cells in living organisms.

3. **Reviewing Key Scientists**: The question provides a list of scientists:
- Sheldon and Schwann
- Rudolf Virchow
- Robert Brown
- Robert Hooke

4. **Relating Scientists to Cell Theory**:
- **Sheldon and Schwann**: They are known for formulating the cell theory, which states that all living organisms are made of cells.
- **Rudolf Virchow**: He is credited with the specific statement "Omnis cellula-e cellula," emphasizing that new cells arise from pre-existing cells.
- **Robert Brown**: He is known for discovering the nucleus in cells.
- **Robert Hooke**: He is famous for his work with cork cells and coining the term "cell."

5. **Conclusion**: The phrase "Omnis cellula-e cellula" was specifically attributed to Rudolf Virchow, who contributed this idea to the cell theory.

### Final Answer:
The statement "Omnis cellula-e cellula," meaning new cells arise from pre-existing cells, was given by **Rudolf Virchow**.