# Peyer's patch

> English word · Noun

## Definitions
1. A patch of lymphoid tissue or lymphoid nodules on the walls of the ileal-small intestine.

## Etymology
Named after Johann Conrad Peyer, who described them in 1677.

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