Foramen ovale
connects the two atria in the foetal heart.
is a condition in which the heart valves do not completely close
is a shallow depression in the inter-ventricular septum
is a connection between the pulmonary trunk and the aorta in the foetus.
A.
connects the two atria in the foetal heart.
Foramen ovale is an opening in the interatrial septum of the foetal heart through which both the atria communicate with each other. In adults, this aperture is closed and is represented by a small oval depression called fossa ovails.