# Treg

> English word · Noun · IPA /tɹɛɡ/

## Definitions
1. A regulatory T cell: a kind of T cell that modulates the immune system.

## Etymology
Abbreviation, from T and regulatory.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/treg