Pericardium
Pericardium - Related Videos
07:15
An Intact Pericardium Ischemic Rodent Model
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Cited by 5 •
2021
This protocol outlines the steps for inducing myocardial infarction in mice while preserving the pericardium and its contents.
05:31
Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
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Cited by 4 •
2022
This study demonstrates the feasibility and safety of developing an autologous pulmonary valve for implantation at the native pulmonary valve position by using a self-expandable Nitinol stent in an adult sheep model. This is a step toward developing transcatheter pulmonary valve replacement for patients with right ventricular outflow tract dysfunction.
03:37
Porcine Heart Excision: A Protocol to Extract Porcine Heart for Cardiac Transplant
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2025
In this video, we describe a step-by-step protocol to extract the heart from a porcine model for cardiac transplantation.
02:56
Intrathoracic Injection: Compound Delivery to the Adult Zebrafish Heart
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2023
This video describes the technique of delivering compounds into the heart of adult zebrafish by using intrathoracic injection.
07:26
Isolation of Functional Cardiac Immune Cells
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Cited by 9 •
2011
This method for isolating functional immune cells from the heart provides an alternative to the conventional methods of collagenase digestion, which causes unwanted immune cell activation, resulting in a decreased responsiveness of these cells. Our method of isolation yields functional cardiac immune cells by avoiding problems associated with enzymatic digestion.
FAQs
The two serous layers create a low-friction interface around the beating heart. The parietal and visceral layers face one another across a fluid-filled cavity, allowing the arrangement to accommodate cardiac motion. This organization is important because the heart repeatedly moves within the confined thoracic space, where minimizing friction helps support continued cardiac function.
The fibrous component contributes mechanical restraint rather than lubrication. By anchoring the heart within the thorax, it helps preserve the organ’s position, while the surrounding sac limits sudden expansion. These functions complement the serous cavity: one provides structural support and spatial control, and the other reduces friction during beating. Together, they connect thoracic organization with cardiac function.
The distinction matters because the two portions address different mechanical requirements. The outer fibrous layer supplies anchoring and resistance to rapid enlargement, whereas the inner serous arrangement creates the fluid-containing interface needed for smoother motion. Studying them separately helps explain how tissue organization produces stable cardiac placement while limiting friction as the heart beats.
Anatomical examination assesses the pericardium as part of the heart’s thoracic surroundings, while imaging provides a way to evaluate its arrangement and associated abnormalities. These approaches are identified as useful for recognizing pericarditis, pericardial effusion, and cardiac tamponade. Their value comes from linking observable structure with clinically important changes around the heart.
Studying the pericardium provides a framework for examining how an organ is organized within the thorax. Its layers relate to heart anatomy, circulation, and the mechanical demands of continuous beating. This perspective extends beyond memorizing membranes by showing how support, protection, fluid separation, and spatial placement contribute to normal cardiac function.
Pericardial conditions are interpreted in relation to the sac’s normal organization. Pericarditis, pericardial effusion, and cardiac tamponade are specifically highlighted as conditions that anatomical examination and imaging can help recognize. Knowing the expected arrangement of the fibrous and serous components provides a structural reference, helping connect an observed change with the surrounding cardiac anatomy.