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Cells and tissue terminology

Extracellular vesicles

Also known as: EVs

Membrane-enclosed particles released by cells into their surroundings.

Source-checked educational compilation · Not independently clinically reviewed

What this means in a clinic conversation

This is a broad particle category. Research guidance recommends describing how vesicles were separated and characterized; size or a marketing label alone does not establish their origin, contents or clinical effect.

A question to bring

How were these particles isolated and identified, and what is known about the final preparation?

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Related and commonly confused terms

Sources and editorial context

This definition was compiled from the sources below and has not received independent clinical review. It supports understanding and consultation preparation.

  1. Minimal information for studies of extracellular vesicles (MISEV2023) · International Society for Extracellular VesiclesReference checked 2026-10-02
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