endorphin

About 0.42 uses per million words.

Meaning

1. noun Any of a group of peptide hormones found in the mammalian brain that act as neurotransmitters and have properties similar to morphine.

Similar words

neoendorphin encephalin endomorphin enkephalin hemorphin metenkephalin prodynorphin metencephalin met-enkephalin dynorphin

Often followed by

and levels in is release system production on was

Word family

endorphins