Neurons involved with the endogenous analgesia system and cell bodies in the Raphe nucleus are most likely to secrete which of the following substances?

Question

Quizplus · Accepted Answer

Neurons involved with the endogenous analgesia system and with cell bodies in the Raphe nucleus are most likely to secrete serotonin. The Raphe nuclei are a predominant source of serotonin in the brain, which plays a key role in modulating pain and analgesia among other functions.

Neurons Involved with the Endogenous Analgesia System and Cell Bodies