Assertion: morphine | /r/HasProperty | neurotransmitter
Facets:
Source sentences:
text: Hence according to WP:PRIMARYTOPIC, if there is a split, the daughter articles should be entitled Morphine (covering the drug) and Morphine (neurotransmitter) (covering the putative endogenous role).
text: The previously mentioned PMID 23266549 also discusses the possibility that morphine is a neurotransmitter, but stops just short of concluding that it is.
text: I could check a textbook at the library, but I couldn't find anything online which comes out and says morphine is a hormone, or morphine is a neurotransmitter.