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Endorphin molecules binding to receptors, illustration. Endorphin molecules (red) binding to the delta opioid receptor (purple) on a cell membrane (blue). The endorphin shown here is met-enkephalin, also known as opioid growth factor (OGF). The opioid... Stock Photo

Endorphin molecules binding to receptors, illustration. Endorphin molecules (red) binding to the delta opioid receptor (purple) on a cell membrane (blue). The endorphin shown here is met-enkephalin, also known as opioid growth factor (OGF). The opioid...
u45220008 | Lushpix | Royalty Free
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