# ryanodine

> English word · Noun · IPA /rʌɪˈæn.əd.iːn/

## Definitions
1. A poisonous alkaloid which occurs in the stems of the tropical American shrub Ryania speciosa (family Flacourtiaceae) and has been used as an insecticide and in experimental studies of calcium release within cells.

## Etymology
From translingual Ryania + d + -ine.

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