neurons and synapse like structure depicting brain chemistry

telencephalon realistically invertebrate biochemistry degeneration relationship reflection background scientific laboratory decorative structure depicting chemistry alzheimer parkinson neurology butterfly undefined symmetry sunlight virology abstract molecule research medicine dopamine depicted colorful cerebral engaging neurons synapse pattern science biology organic nursing disease drawing digital circle flower animal yellow branch insect symbol vector memory health clinic design depict cortex brain light glass adult virus style retro like view leaf line blue atom care art