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cardiolipin

noun

car·​dio·​lip·​in ˌkärd-ē-ō-ˈlip-ən How to pronounce cardiolipin (audio)
: a phospholipid obtained especially from beef heart and used in combination with lecithin and cholesterol as an antigen in diagnostic blood tests for syphilis

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“Cardiolipin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cardiolipin. Accessed 3 Dec. 2025.

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