acardius

acardius

 [a-kahr´de-us]
a parasitic twin fetus that lacks a heart and uses the circulation of its twin. See also hemiacardius and holoacardius.

a·car·di·us

(ā-kar'dē-ŭs),
A twin without a heart that remains viable by using the placental circulation of its mate; usually other body parts are also absent.

acardius

/acar·di·us/ (-us) an imperfectly formed free twin fetus, lacking a heart and other body parts.

acardius

an imperfectly formed twin fetus without a heart and invariably lacking other body parts.