Heart valve and strings,coloured scanning electron micrograph (SEM). This is the mitral valve (top),controlling the blood flow between two of the heart's chambers,the left atrium and the left ventricle (seen here). The heart strings (thread-like structures) are known as the chordae tendineae,and are controlled by the papilliary muscles | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 3709 px × 4712 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |