Microvillus Microvillus

Microvillus - Definition and Overview

Transmission electron microscope (TEM)
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Transmission electron microscope (TEM)

A microvillus (usually not occurring alone, so usually referred to as the plural microvilli) is a small (5 µm) hairlike structure on the surface of absorptive and secretory epithelial cells to increase their surface area. Microvilli are composed of actin filaments.

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