钙离子

jìn yī bù de yán jiū biǎo míng nà jiǎ gài lí zǐ liú dōu cān yù le zì fā fàng diàn de chǎn shēng

进一步的研究表明，钠、钾、钙离子流都参与了自发放电的产生。

The further research indicates that sodium, potassium and calcium current all participated in spontaneous discharge.