Ventricles Flashcards

1
Q

What are the papillary muscles?

A

Extensions of the muscle of the ventricular wall.

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2
Q

What are the papillary muscles attached to?

A

The mitral and tricuspid valves via the inextensible papillary tendons

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3
Q

What region of the right ventricle does the pulmonary trunk arise?

A

Conus arteriosus

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4
Q

What acts as a shortcut for the electrical impulses?

A

Moderator band

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5
Q

What are irregular muscular columns on the internal surface of the ventricles

A

Trabeculae carneae

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