The name comes from the Robert Shea and Robert Wilton books, "The Illuminatus! Trilogy". Mummu (JAMs) were the underground and underwater anarchist group led by Hagbard Celine, Mu is also the name...
Mu Receptors are also known as Morphine Receptors. Mu Receptors are located in the Brainstem and Medial Thalamus, they are responsible for supraspinal analgesia, respiratory depression, euphoria,...