乙酰胆碱

乙酰膽鹼

yǐxiān dǎnjiǎn

noun

Meanings

1 acetylcholine (neurotransmitter, ACh — sends signals at neuromuscular junctions and in the parasympathetic nervous system)

Characters

ethyl (chemistry: 2-carbon)

acyl (R-CO- group)

(in 胆碱 'choline')

Examples

乙酰胆碱是重要的神经递质。

Yǐxiān dǎnjiǎn shì zhòngyào de shénjīng dì zhì.

Acetylcholine is an important neurotransmitter.

阿尔茨海默病患者大脑中的乙酰胆碱水平偏低。

Ā'ěrcíhǎimò bìnghuàn zhě dànǎo zhōng de yǐxiān dǎnjiǎn shuǐpíng piāndī.

Acetylcholine levels in the brains of Alzheimer's patients are abnormally low.

Tips

memory

Built from chemistry morphemes: 乙 (yǐ, 'ethyl/2-carbon') + 酰 (xiān, 'acyl group, R-CO-') + 胆碱 (dǎnjiǎn, 'choline') — literally ethyl-acyl-choline, i.e. choline acetylated with an acetyl group. Match it character-for-component against the English: acet- + -yl + cholin-e.

Stroke Order

乙 yǐ

酰 xiān

胆 dǎn

碱 jiǎn