Pericardium - Definition, Function & Layers - Human Anatomy | Kenhub

Learn about the pericardium, the layers of the pericardium, its location and functions, and test yourself with our quiz about the surrounding heart structures on https://khub.me/cacnh

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The pericardium is a double-walled sac that encloses the heart, the pericardial fluid and the roots of the great vessels in the mediastinum. Its main function is to lubricate the moving surfaces of the heart.

There are two layers of the pericardium: The outer fibrous layer and the inner serous layer.

The thin film of pericardial fluid is located in the pericardial cavity between the parietal and visceral layers of the serous pericardium, allowing the surfaces of the pericardium to move against each other without friction. Two sinuses are located within the pericardial cavity: the transverse and oblique pericardial sinuses.

In this video tutorial we will go over the most important aspects of the pericardium and take a look at the following:

0:08 introduction
0:41 layers of the pericardium: fibrous and serous layer
1:54 pericardial cavity and fluid
2:17 pericardial sinuses
3:13 blood supply and innervation of the pericardium

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For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/1ywir