The pericardial cavity (also called the cardiac sac) is the cavity surrounding the heart, filled with a lubricating serous fluid that reduces friction as the heart contracts.

Authors

• Person: Not available Organization: Pressbooks
  Chapter 1. Body Structure – Human Anatomy and Physiology I

Sources

• Chapter 1. Body Structure – Human Anatomy and Physiology I louis.pressbooks.pub Pressbooks via serper

Referenced by nodes (1)

• heart concept