14. Pericardial Sac

Question 1

Identify 1 -> 4

Answer 1

1. Superior vena cava
2. Transverse pericardial sinus
3. Right pulmonary veins
4. Inferior vena cava

Question 2

Identify 5 -> 9

Answer 2

5. Oblique pericardial sinus
6. Left pulmonary veins
7. Pulmonary trunk (bifurcation)
8. Ascending aorta
9. Left phrenic nerve (C3-C5)

Question 3

What is potential space of the heart?

Answer 3

The pericardial cavity is a potential space between the visceral serous pericardium (epicardium) and the parietal serous pericardium, which lines the inner surface of the fibrous pericardium.

Question 4

The pericardial cavity is a potential space between (1)___ and (2)____, which lines the inner surface of the fibrous pericardium.

Answer 4

1. the visceral serous pericardium (epicardium)
2. the parietal serous pericardium

Question 5

Describe The oblique pericardial sinus (5)

Answer 5

A cul-de-sac behind the left atrium of the heart, is another reflection of serous pericardium surrounding the pulmonary veins.

Question 6

Pain sensation from the fibrous pericardium is conveyed by which nerves? Describe their course

Answer 6

A cul-de-sac behind the left atrium of the heart, is another reflection of serous pericardium surrounding the pulmonary veins.

Question 7

What is the transverse sinus?

Answer 7

a space between the reflections of the serous pericardium

→ which is posterior to the ascending aorta and pulmonary trunk, and anterior to the superior vena cava.