The Cardiovascular system - Surfaces and borders of the heart

Question 1

What are the 5 surfaces of the heart?

Answer 1

• Anterior (or sternocostal) – Right ventricle.
• Posterior (or base) – Left atrium.
• Inferior (or diaphragmatic) – Left and right ventricles.
• Right pulmonary – Right atrium.
• Left pulmonary – Left ventricle.

Question 2

Separating the surfaces of the heart are its borders.

What are the 4 borders?

Answer 2

Right border – Right atrium

Inferior border – Left ventricle and right ventricle

Left border – Left ventricle (and some of the left atrium)

Superior border – Right and left atrium and the great vessels