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microvillus
This term is used exclusively within biological and medical contexts to describe cellular anatomy. It carries a neutral, scientific tone and is typically found in textbooks, research papers, and clinical reports regarding the gastrointestinal or renal systems.
Because the word ends in -us, it follows a Latin-based pluralization pattern. The plural form is microvilli, which is far more common in scientific literature than the singular form, as researchers usually refer to the collective brush border rather than a single projection.
Meanings
A microscopic, finger-like projection of the plasma membrane of an epithelial cell, particularly in the small intestine, which serves to increase the surface area for absorption.
The microvillus is a key structural component of the brush border in intestinal cells.