GROSS ANATOMY

Detailed explanation-1: -Pericardial fluid helps reduce friction between the epicardial membranes of the heart, thereby helping the membranes to glide over each other during each heartbeat. It is found in the pericardial cavity (where it is secreted by the serous layer of the pericardium).

Detailed explanation-2: -The pericardium secretes a small amount of serous fluid that fills the pericardial cavity and coats the two pericardial layers which serves as a lubricant to reduce friction as the heart expands and contracts.

Detailed explanation-3: -Serous pericardium: This is the inner layer of your pericardium. It’s actually made of two layers, described below. Your serous pericardium produces pericardial fluid that lubricates your heart as it beats.

Detailed explanation-4: -A fibrous sac known as the pericardium surrounds the heart. This sac is made of two thin layers with a small amount of fluid between them. This fluid reduces friction between the layers as they rub against each other when the heart beats.

Detailed explanation-5: -The pericardium is a membrane like a sac that surrounds the heart and its major blood vessels. Normally there is a small amount of fluid between the pericardium and the heart that helps cushion the heart and reduces friction between the heart and the pericardium when the heart beats.