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Valves of heart

Pectinate muscle of right atrium

Pectinate muscle of right atrium


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Other Terms:
Musculus pectinatus, Músculo pectinate

Pectinate muscles are muscular columns that are located on the inner surface of the right and left auricle. They also run across the adjoining anterior atrial wall. They are called pectinate muscle because of their supposed resemblance to a comb.
Músculo pectinate

Structural Label Key