# periostin

> English word · Noun

## Definitions
1. A protein normally expressed during cardiac development but also re-expressed following injury to adult tissue.

## Etymology
From peri- + osteo- + -in.

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