Precursor to metabolite: Morphine to Morphine-6-glucuronide

Morphine is converted to Morphine-6-glucuronide by UGT2B7.

Morphine mascot — mnemonic cartoon — Visual mnemonic: Morphine mascot

The pair

Morphine — Prototypical opioid analgesic and comparison standard.
Morphine-6-glucuronide — Potent opioid-active morphine metabolite; renal accumulation can prolong analgesia, sedation, and respiratory depression.

Morphine · Morphine-6-glucuronide · Open Morphine in the interactive console ↗