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Detailed View: Surface Anatomy and Inner Structure of the Heart

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Detailed View: Surface Anatomy and Inner Structure of the Heart

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Questions and Answers

What distinguishes the posterior leaflet of the mitral valve from the anterior leaflet?

Its free edge is longer than the length of attachment across the annulus

Its two apposing leaflets resemble a bishop's hat or mitre

Its attachment distance across the annulus is relatively narrow (correct)

Its filled space is called the sinus of Valsalva

What is the junction between the sinuses and the aorta in the aortic valve called?

Ostia

Sinotubular ridge (correct)

Coronary ostia

Sinus of Valsalva

Which of the following is NOT a feature of the aortic valve?

It has two symmetric, semilunar-shaped cusps (correct)

It has three semilunar-shaped cusps

The filled space of each cusp is called the sinus of Valsalva

It has a fibrous framework or 'skeleton' made of dense connective tissue

What is the space or recess of each cusp in the aortic valve called?

Sinus of Valsalva Signup and view all the answers

Which valve in the heart is often referred to as the mitral valve?

Bicuspid valve Signup and view all the answers

What is the opening or ostium into the blood supply of the heart called?

Ostia Signup and view all the answers

Which two sinuses in the aortic valve have ostia that open into the left and right coronary arteries?

Left and right sinuses Signup and view all the answers

What is the fibrous framework or 'skeleton' that passes transversely through the base of the heart called?

Cardiac skeleton Signup and view all the answers

What forms the fibrous framework or 'skeleton' in the base of the heart?

Dense connective tissue Signup and view all the answers

What is the filled space or recess of each cusp in the aortic valve referred to as?