Ventricles Flashcards
1
Q
What are the papillary muscles?
A
Extensions of the muscle of the ventricular wall.
2
Q
What are the papillary muscles attached to?
A
The mitral and tricuspid valves via the inextensible papillary tendons
3
Q
What region of the right ventricle does the pulmonary trunk arise?
A
Conus arteriosus
4
Q
What acts as a shortcut for the electrical impulses?
A
Moderator band
5
Q
What are irregular muscular columns on the internal surface of the ventricles
A
Trabeculae carneae