Pectinate muscles

Pectinate muscles
Section of the heart showing the ventricular septum. (Pectinate muscles labeled at center left.)
Details
Identifiers
Latinmusculi pectinati atrii dextri,
musculi pectinati atrii sinistri
TA98A12.1.01.008
A12.1.03.003
TA24024, 4056
FMA12226
Anatomical terminology

The pectinate muscles (musculi pectinati) are parallel muscular ridges in the walls of the atria of the heart.