a. Phys. [f. Gr. ἔνδο-ν (see ENDO-) + καρδία heart + -AL.]

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  a.  That is within the heart. b. Relating to the endocardium.

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1847–9.  Todd, Cycl. Anat., IV. 139/1. It [induration-matter] appears on the endocardial and valvular surfaces.

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1861.  T. Graham, Pract. Med., 329. Endocardial inflammation.

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1877.  Roberts, Handbk. Med. (ed. 3), II. 7. Abnormal sounds originating within the heart, named endocardial murmurs.

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