ryanodine

English

Etymology

From Ryania speciosa +‎ -ine.

Pronunciation

• (Received Pronunciation) IPA^(key): /rʌɪˈæn.əd.iːn/
• (General American) IPA^(key): /raɪˈæn.əˌdiːn/, /raɪˈæn.əd.ɪn/

Noun

ryanodine (countable and uncountable, plural ryanodines)

1. (biochemistry, physiology) 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.

Related terms

• ryanotoxin

References

• “ryanodine”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “ryanodine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.