transcription, транскрипция: [ en-ˈdȯr-fən ]
noun
Etymology: International Scientific Vocabulary end ogenous + m orphin e
Date: 1976
: any of a group of endogenous peptides (as enkephalin) found especially in the brain that bind chiefly to opiate receptors and produce some pharmacological effects (as pain relief) like those of opiates ; specifically : beta-endorphin