ABNORMAL, ARTWORK, BACKGROUND, BLACK, BODY, BRAIN, CENTRAL, CONDITION, DEGENERATION, DEMENTIA, DESTRUCTION, DISEASE, DISORDER, DOPAMINERGIC, HUMAN, ILLUSTRATION, KATERYNA, KON, LIBRARY, MEDICAL, MEDICINE, MIDBRAIN, NERVOUS, NEURO, NEURODEGENERATIVE, NEUROLOGICAL, NEUROLOGY, NEURON, NEURONE, NIGRA, PARKINSON, PARKINSONS, SCIENCE, SECTION, SS, SUBSTANTIA, SYSTEM, TISSUE, UNHEALTHY,