Define xenotransplantation.

Explanation

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

1. **Understanding Transplantation:**
- Transplantation refers to the process of transferring an organ or tissue from one individual to another. This can occur between individuals of the same species or different species.

2. **Defining Xenotransplantation:**
- The term "xenotransplantation" is derived from the prefix "xeno," which means "foreign." Therefore, xenotransplantation specifically refers to the transplantation of organs or tissues from one species to another.

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