Action potential of nerve cell — Stock photos

"Action potential of nerve cell" is an authentic stock image by StocktrekImages. It’s available in the following resolutions: 592 x 1600px, 962 x 2600px, 1931 x 5220px. The minimum price for an image is 49$. Image in the highest quality is 1931 x 5220px, 300 dpi, and costs 449$.