noun🔗ShareA neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH3COOCH2CH2N+(CH3)3."Example Sentence: "Acetylcholine is released by nerve cells to help muscles contract, allowing you to lift a book." "biochemistryphysiologymedicinecompoundchemistrybiologysubstancefunctionbodyscienceorganismtechnicalanatomyChat with AIVocabulary GamePractice Reading
