is 320.87 KB, has a resolution of 1420x1100 pixels and was uploaded on April 12, 2019 @ 3:11 am by user: jonosge. It is filed under the tags: tryptophan, neurotransmitter, 5ht receptor, tryptophan hydroxylase, communication. Click the blue button at the top to freely download: Serotonin Molecule Tryptophan Chemistry Dopamine png.