Vein valve. Computer illustration of a section through a vein, showing a closed valve (centre) and the layers that make up the vein's wall: (from outs

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Vein valve. Computer illustration of a section through a vein, showing a closed valve (centre) and the layers that make up the vein's wall: (from outside in) adventitia, smooth muscle, basement membrane, endothelium. Veins contain valves to prevent blood from flowing back in the wrong direction.

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Size: 6210px × 4658px
Photo credit: © MIKKEL JUUL JENSEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, adventitia, anatomical, anatomy, artwork, background, basement, biological, biology, black, blood, circulation, circulatory, cut, cut-, cut-outs, cutout, cutouts, endothelium, human, illustration, layer, layers, membrane, muscle, open, outs, section, sectioned, smooth, supply, system, valve, vein, venous, vessel, vessels, wall