# fetoprotein

> English word · Noun

## Definitions
1. Any of several antigens produced in a developing embryo, of which the most common is alpha-fetoprotein.

## Etymology
From feto- + protein.

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