# calretinin

> English word · Noun

## Definitions
1. A vitamin D-dependent calcium-binding protein involved in calcium signalling and abundantly expressed in neurons; it stains mesothelioma and can help to identify lung tumours.

## Etymology
Blend of calcium + retina + -in.

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