3.3 Pericardial Sac

Question 1

Identify the Pericardial Sac and its two layers. Describe the sac’s innervation and arterial supply.

Answer 1

1. Fibrous pericardium
2. Parietal layer of serous pericardium
   Innervated by Phrenic nerve (C3-5). Arterial supply by pericardiophrenic artery.

Question 2

Identify the Pericardial space/cavity. Between what two layers is this found?

Answer 2

Between the parietal layer of serous pericardium and the visceral layer of serous pericardium (epicardium) on the surface of the heart.

Question 3

Identify the Visceral layer of serous pericardium (epicardium)

Question 4

Identify the Ascending aorta

Question 5

Identify the Superior vena cava. Into what region does this drain?

Answer 5

Right atrium.

Question 6

Identify the Pulmonary trunk and its basic course.

Answer 6

Right ventricle— Pulmonary trunk–Pulmonary arteries

Question 7

Locate the Transverse pericardial sinus

Answer 7

Posterior to aorta and pulmonary trunk but in front of SVC

Question 8

Locate the Oblique pericardial sinus

Answer 8

Posterior aspect of heart

Question 9

Locate anatomy of the heart in situ.

Answer 9

Apex
Right atrium
Right ventricle
Left atrium
Left ventricle