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

HSK 7-9

乙酰胆碱是重要的神经递质。

Yǐxiān dǎnjiǎn shì zhòngyào de shénjīng dìzhì.

Acetylcholine is an important neurotransmitter.

HSK 7-9

阿尔茨海默病患者大脑中的乙酰胆碱水平偏低。

Ā'ěrcíhǎimò bìng huànzhě 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