10 Questions
What is the fibroserous sac that encloses the heart and the roots of the great vessels?
Pericardium
Which structure is innervated by vasomotor and sensory fibers from the phrenic and vagus nerves and the sympathetic trunks?
pericardium
Which layer forms the outer layer (epicardium) of the heart wall and the roots of the great vessels?
Visceral pericardium
Where is the potential space between the visceral layer of the serous pericardium (epicardium) and the parietal layer of the serous pericardium located?
Pericardial cavity
Where is the transverse pericardial sinus located in relation to specific cardiovascular structures?
Posterior to the ascending aorta and pulmonary trunk
What is the composition of the pericardial cavity?
It is a potential space between the visceral layer of the serous pericardium and the parietal layer of the serous pericardium lining the inner surfaces of the fibrous pericardium.
Which structure is innervated by vasomotor and sensory fibers from the phrenic and vagus nerves and the sympathetic trunks?
Fibrous pericardium
Where is the transverse pericardial sinus located in relation to specific cardiovascular structures?
Posterior to the ascending aorta and pulmonary trunk. Anterior to the superior vena cava. Superior to the left atrium.
What is the main function of the fibrous pericardium?
To provide a strong, dense, fibrous layer that supports and protects the heart.
Which layer lines the inner surface of the fibrous pericardium and forms the outer layer (epicardium) of the heart wall and the roots of the great vessels?
Visceral layer of serous pericardium
Test your knowledge about the fibroserous sac that encloses the heart and roots of the great vessels in the middle mediastinum, known as the pericardium. Learn about its composition, blood supply, and innervation.
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