pericardium

1. A serous membrane with two layers that surrounds the heart (synset 105436050)
   is a type of: serosa, serous membrane - a thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid
   has:

   • epicardium, visceral pericardium - the innermost of the two layers of the pericardium
   • parietal pericardium - the tough outermost layer of the pericardium that is attached to the diaphragm and the sternum

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