# Janus kinase

> English word · Noun

## Definitions
1. Any of a family of intracellular non-receptor tyrosine kinases that transduce cytokine-mediated signals via the JAK-STAT pathway.

## Etymology
Shortened from just another kinase (being part of a large number of discoveries at the time); see Janus.

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