Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Scanning electron microscope
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Scanning electron microscope: Abbreviated SEM. A microscope in which a finely focused beam of electrons is scanned across a specimen, and the electron intensity variations are used to construct an image of the specimen. This type of microscope can effectively achieve magnifications from 200 to 35,000 times.
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