Assertion: opium's morphine | /r/CapableOf | activate mu opioid receptors
Facets:
value: in stomach
type: LOCATION
value: in the brain
type: LOCATION
value: in intestine
type: LOCATION
value: in spinal cord
type: LOCATION
Source sentences:
text: Morphine binds to and activates mu opioid receptors in the brain, spinal cord, stomach and intestine.