Pectinate muscles
| Pectinate muscles | |
|---|---|
Section of the heart showing the ventricular septum. (Pectinate muscles labeled at center left.) | |
| Details | |
| Identifiers | |
| Latin | musculi pectinati atrii dextri, musculi pectinati atrii sinistri |
| FMA | 12226 |
| Anatomical terminology | |
The pectinate muscles (musculi pectinati) are parallel muscular ridges in the walls of the atria of the heart.