Definition: The heart of the fetus of any viviparous animal. It refers to the heart in the postembryonic period and is differentiated from the embryonic heart (HEART/embryology) only on the basis of time.
mammals only; use all pertinent qualif (except /blood supply) & do not coord with MYOCARDIUM for HEART; MYOCARDIUM restrictions; not for chick embryo heart (
ExamplesDuctus Arteriosus; Truncus Arteriosus
Other names Hearts, Fetal; Heart, Fetal; Fetal Hearts