Assertion: codeine | /r/HasProperty | weak ligand
Facets:
value: with a fraction of its potency
type: OTHER
value: centrally
type: MANNER
value: relatively
type: DEGREE
value: for the opioid receptors
type: TRANSITIVE-OBJECT
Source sentences:
text: Codeine itself is a weak ligand for the opioid receptors however its main active metabolite - morphine shows much stronger agonistic effects .
text: Codeine is a centrally acting weak analgesic.
text: Codeine is a relatively weak opioid painkiller – similar in chemical structure to morphine, but with just a fraction of its potency.
text: Codeine is derived from the opium poppy plant (similar to morphine) and is one of the weaker opioids.