Venous drainage of the heart

Question 1

majority drain into the

Answer 1

coronary sinus

Question 2

The coronary sinus is the main

Answer 2

Vein of the heart

Question 3

coronary sinus location

Answer 3

On the posterior surface in the coronary sulcus
Which runs between the left atrium and left ventricle

Question 4

The coronary sinus drains

Answer 4

Directly into the right atrium

Question 5

Where is the opening of the coronary sinus found?

Answer 5

• In the right atrium
• between the right atrioventricular oriface and IVC

Question 6

How many major veins drain into the coronary sinus

Answer 6

5

Question 7

5 main veins that drain into the coronary sinus

Answer 7

1. great cardiac vein
2. Small cardiac vein
3. Anterior cardiac veins
4. Middle cardiac vein
5. Left marginal and left posterior ventricular vein

Question 8

1. great cardiac vein

Answer 8

• Originates at the apex of the heart
• follows the anterior interventricular groove, into the coronary sulcus and around the left side of the heart to join the coronary sinus

Question 9

2. Small cardiac vein

Answer 9

• located on the ant. surface of the heart
• Passes around the right side of the heart, to join the coronary sinus

Question 10

3 . Middle cardiac vein

Answer 10

• Drains into the right side of the heart
• Located on post. surface of the heart

Question 11

left marginal vein

Answer 11

• Left post. surface of the heart

Question 12

left posterior ventricular vein

Answer 12

• middle of post. surface of the heart
• runs along post. interventricular sulcus to join the coronary sinus

Question 13