Define histology.

Explanation

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

1. **Definition of Histology**: Histology is defined as a branch of science that focuses on the study of microscopic anatomy of biological tissues.

2. **Microscopic Aspect**: The term "microscopic" indicates that histology involves examining tissues at a very small scale, which cannot be seen with the naked eye.

3. **Anatomy of Biological Tissues**: Histology specifically studies the structure and organization of tissues in living organisms, which includes understanding how these tissues are formed and their functions.

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