Venule. Coloured transmission electron micrograph (TEM). Venules are small veins that transport deoxygenated blood from the capillary beds to the veins. Endothelial cells line the entire circulatory system — Stock photos

"Venule. Coloured transmission electron micrograph (TEM). Venules are small veins that transport deoxygenated blood from the capillary beds to the veins. Endothelial cells line the entire circulatory system" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1546 x 1600px, 2512 x 2600px, 4418 x 4572px. The minimum price for an image is 49$. Image in the highest quality is 4418 x 4572px, 300 dpi, and costs 449$.