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My accountRandom testFree testCHAPTER 1. GENERAL INFECTOLOGYCHAPTER 2. ANATOMY AND PHYSIOLOGYCHAPTER 3. SKIN STRUCTURECHAPTER 4. THE STRUCTURE OF THE NAIL CHAPTER 5. NAIL DISEASES CHAPTER 6. CHEMISTRY OF MATERIALSCHAPTER 7. THE BASICS OF ELECTRICITYCHAPTER 8. MANICURINGCHAPTER 9. PEDICURINGCHAPTER 10. ELECTRIC FILINGCHAPTER 11. STRENGTHENING AND REPAIRING NAILSCHAPTER 12. ACRYLIC SYSTEMCHAPTER 13. GELS, HARD-GELS
Questions:
1. The study of structures that cannot be seen with the naked eye and must be viewed through a microscope is called _____.