A hormone-like peptide substance found in the venom of certain frogs, used in medical research to study pancreatic and digestive functions.
From cerulean/cerule (blue) combined with the chemical suffix '-in.' Named after the blue skin coloration of certain frogs that produce this compound.
Poison dart frogs produce cerulein, and scientists discovered this molecule can trigger powerful pancreatic responses—it's become a crucial tool for understanding digestion and has led to new treatments for digestive disorders!
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