Pectinate muscles are found on the
A) posterior wall of the right ventricle.
B) anterior wall of the right ventricle.
C) internal walls of the right and left atria.
D) posterior walls of the right and left ventricles.
E) external wall of the right atrium.

Question

Quizplus · Accepted Answer

Pectinate muscles are located in the internal walls of the right and left atria, particularly in the right atrium and the auricles of both atria.

Pectinate Muscles Are Found on the