1. A class of organic compounds derived from phenethylamine, characterized by a phenyl ring attached to an ethylamine chain; includes various naturally occurring and synthetic compounds with psychoactive or physiological effects.
Usage: chemistry; pharmacology; plural form; technical term
2. Naturally occurring phenethylamines found in the human body and other organisms, such as dopamine and norepinephrine, which function as neurotransmitters.
Usage: biochemistry; neuroscience

Examples

• Phenethylamines are studied extensively in neuropharmacology for their effects on the central nervous system.
• Dopamine and norepinephrine are examples of phenethylamines produced naturally in the brain.
• The structure of phenethylamines consists of a benzene ring connected to an ethylamine side chain.
• Researchers investigate how different phenethylamines interact with various neurotransmitter receptors.
• Many phenethylamines have been synthesized in laboratories for pharmaceutical research purposes.