Who’s confident with the structures of the heart? Cardiac anatomy is a gold mine for questions on embryology. Keep this in mind for the exam.

a. With regards to the structure labelled A. Which coronary artery is responsible for the majority of its blood supply? Is this artery usually the dominant coronary vessel of the heart?

b. The structure labelled B represents which part of the fetal heart? Name the nerve which hooks around the structure labelled B? Does it pass anterior or posterior?

c. The structure labelled C is derived from which septum of the fetal heart?

d. Name the structure labelled D and the cusps to which it attaches.