Related Experiment Video
Updated: Aug 17, 2026

In Vitro Culture of Epicardial Cells From Mouse Embryonic Heart
Published on: April 27, 2016
[Function and importance of the pericardium]
1I Kliniki Kardiologii Akademii Medycznej im. M. Kopernika, Krakowie.
Insights
The pericardium is crucial for heart function, aiding position, preventing dilation, and facilitating filling. Congenital absence requires careful differentiation from other cardiac and mediastinal conditions.
Area of Science:
- Cardiology
- Anatomy
- Physiology
Context:
- The pericardium, a vital sac surrounding the heart, plays a critical role in maintaining cardiac function and position within the mediastinum.
- Understanding the pericardium's functions is essential for diagnosing related cardiac conditions.
Purpose:
- To elucidate the essential functions of the pericardium in normal cardiac mechanics.
- To outline the differential diagnoses for congenital absence of the pericardium.
Summary:
- The pericardium's functions include maintaining cardiac position, separating it from mediastinal tissues, preventing ventricular dilatation, regulating transmural pressure, and facilitating ventricular interdependence and atrial filling.
- Congenital absence of the pericardium necessitates differentiation from conditions such as atrial septal defect (ostium secundum type), idiopathic pulmonary artery dilatation, and left mediastinal tumors.
Impact:
- Provides a foundational understanding of pericardial roles in cardiac health.
- Aids clinicians in accurately diagnosing congenital pericardial defects by highlighting key differential diagnoses.
Abstract:
The pericardium plays an important role in the normal cardiac work. Its major functions include: maintenance of adequate cardiac position, separation from the surrounding tissues of the mediastinum, protection against ventricular dilatation, maintenance of low transmural pressure, facilitation of ventricular interdependence and atrial filling. Congenital absence of the pericardium should be differentiated first of all from atrial septal defect ostium secundum type, idiopathic dilatation of the pulmonary artery and tumours of the left mediastinum.
Related Concept Videos
Anatomy of the Heart
Location and Orientation of the Heart
Layers of the Heart Wall
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
Peritoneum
Anatomy of the Peritoneum
The peritoneum is divided into two layers: the parietal peritoneum and the visceral...
Anatomy of the Heart
The heart has three layers: the innermost endocardium, the muscular myocardium, and the outer epicardium, all working together for optimal cardiac function.
Chambers of the Heart
The heart is made up of four...
Pericarditis I: Introduction

