# mesoblast

> English word · Noun

## Definitions
1. the middle, germinal layer of undifferentiated cells of an early embryo; it becomes the mesoderm

## Etymology
From meso- + -blast.

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