Which field studies structures of the body that can only be seen with a microscope?

• A. Gross Anatomy
• B. Histology
• C. Cytology
• D. Microscopic Anatomy

Answer: (D)

Understanding what we study at different scales helps pick the right field. Structures visible to the naked eye fall under gross anatomy, while anything you can only see with magnification belongs to microscopic anatomy. This broad field covers the study of cells and tissues using microscopes. Histology is the branch that looks specifically at tissues, and cytology focuses on cells; both are parts of microscopic anatomy. Since the question asks for the field that studies structures that require a microscope in general, the best answer is microscopic anatomy.