Innervation of the pericardium, Dry Room 2

Question 1

Describe the innervation of the visceral pericardium.

Answer 1

• Visceral pericardium receives autonomic innervation from T1-T4 nerves and Vagus Nerve via the cardiac plexus
• (same as the heart wall)

Question 2

Describe the innervation of the parietal pericardium and fibrous pericardium

Answer 2

• Phrenic nerve

Question 3

Which layer of the pericardium are innervated by pain fibres?

Answer 3

Parietal layer of serous pericardium mainly (and fibrous pericardium)

Question 4

Which pericardium is insensitive to pain?

Answer 4

Visceral layer of serous pericardium