pericardial fluid

noun

: the serous fluid that fills the pericardial cavity and protects the heart from friction

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pericardial cavity
pericardial fluid
pericardial friction rub
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Cite this Entry

“Pericardial fluid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pericardial%20fluid. Accessed 31 Oct. 2025.

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