# septin

> English word · Noun

## Definitions
1. Any of a class of proteins that have functions related to cytokinesis.

## Etymology
From septum + -in: in yeast cells, they compartmentalize parts of the cell and build scaffolding to provide structural support during cell division at the septum.

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