Glossary of terms used on this site

Ego --the self especially as contrasted with another self or the world

endorphin [en-dor´fin]
one of a group of opiate-like peptides produced naturally by the body at neural synapses at various points in the central nervous system pathways, where they modulate the transmission of pain perceptions. The term endorphin was coined by combining the words endogenous and morphine. Like morphine, endorphins raise the pain threshold and produce sedation and euphoria; the effects are blocked by naloxone, a narcotic antagonist

a colorless crystalline feebly basic sympathomimetic hormone C ₉ H ₁₃ NO ₃ that is the principal blood-pressure-raising hormone secreted by the adrenal medulla, is prepared from adrenal extracts or made synthetically, and is used medicinally especially as a heart stimulant, as a vasoconstrictor (as to treat open-angle glaucoma and life-threatening allergic reactions and to prolong the effects of local anesthetics), and as a bronchodilator—called also adrenaline

Ethanol -- a colorless volatile flammable liquid C₂H₅OH that is the intoxicating agent in liquors and is also used as a solvent and in fuel —called also ethyl alcohol, grain alcohol