Definition of "beta-endorphin" []

• An endorphin produced by the pituitary gland that is a potent pain suppressant. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Anything that activates the beta-endorphin or dopamine pathways will do."
• "It turns out that pain and negative emotions (e.g. self-pity, anger, guilt) also activate the beta-endorphin and dopamine pathways."
• "Progesterone and progestins: effects on brain, allopregnanolone and beta-endorphin."