acardiac
adj. C2 Proficiency ac·ar·diac
adj. relating to the heart or having no heart. It describes a condition where a heart does not develop or is missing.
adj. relating to the heart or lacking a heart. Often used in medical contexts to describe congenital heart defects or the absence of a functional cardiac structure.
The acardiac twin is a rare medical condition.
In some cases of acardiac twinning, one fetus develops without a heart while the other relies on the shared circulatory system.
The study of acardiac development provides critical insights into the early stages of embryonic vascularization and the genetic factors that govern cardiac formation.
From Ancient Greek ἀκάρδιος (akárdios, “without a heart”) + -ac, after cardiac; by surface analysis, a- + cardi- + -ac.