Substantia nigra. Illustration showing a healthy substantia nigra in a human brain. The substantia nigra plays an important role in reward, addiction, and movement. Degeneration of this structure is characteristic of Parkinson's disease. — Stock photos

"Substantia nigra. Illustration showing a healthy substantia nigra in a human brain. The substantia nigra plays an important role in reward, addiction, and movement. Degeneration of this structure is characteristic of Parkinson's disease." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1067px, 2600 x 1733px, 6000 x 4000px. The minimum price for an image is 49$. Image in the highest quality is 6000 x 4000px, 300 dpi, and costs 449$.