codeine molecules in the blood flow - section view 3d

acid alpha analgesics anion antitussives attack benzeneacetate bleeding blood brain clots cns codeine coughing cox-1 cox-2 cyclooxygenase dendrite dental diarrhea drug enzyme glial headaches heart impulse isobutylphenyl kidney methylacetate methylpropyl migraines mind monocarboxylic morphine narcotic nervous neuron neuropeptide neurotransmitter nucleus opioid pain peptide phenyl plasma propanoate prostaglandins reduce reliever steoarthritis stomach stones stroke synapse