An artery and a vein cut open side by side with the capillary bed between them, drawn by Kelvinsong: sixteen structures – the artery and the vein themselves, the arteriole, the capillary, the venule and the thoroughfare channel, and the layers of the wall round the lumen, from the endothelium…
A real anatomical diagram. Hover any part to see its name, click to answer the quiz question.