Cardiac muscle. Coloured scanning electron micrograph (SEM) of cardiac muscle (green) from a healthy human heart. Between the bundles of muscle fibrils,or myofibrils,is a network of connective tissue (brown),which is mainly composed of collagen. Near bottom centre,red blood cells are seen in a blood vessel. Cardiac muscle is under subconscious control and continuously contracts to pump blood around the body without tiring | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 4000 px × 3005 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |