Acardiac

Origin

From Ancient Greek ἀκάρδιος (akardios, "without a heart") + -ac, after cardiac.

Adjective

1. (medicine) Lacking a heart.
• 1831: Marshall Hall, A Critical and Experimental Essay on the Circulation of the Blood, p. 76The fact of a perfect circulation in acardiac fÅ“tuses and acardiac animals, seems strongly to indicate an important influence in the arteries.

Derived terms

• acardiac twin
• acardiac twinning