Blood vessels. Light micrograph of a section through tissue showing an artery (middle right) and a vein (middle left). Three nerve (pink) are also seen at the top of the image. Surrounding the artery and vein are layers of smooth muscle (red),and fibrous connective tissue (green). Arteries carry blood away from the heart,while veins carry blood back to the heart from the rest of the body. Magnification: x 20 when printed at 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 4829 px × 3619 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |