All of the following are artery are supplies the marked part the specimen; except:

Ans. (C) Diagonal artery(Ref: Grays Anatomy 41st Ed; Page no- 1018Arrow in the given specimen is pointing at right ventricle.Most Important Cadaveric Structure of the HeartBlood Supply of the Heart:Right coronary artery#It arises from the anterior (right) aortic sinus of the ascending aorta, runs between the root of the pulmonary trunk and the right auricle, and then descends in the right coronary sulcus.#It supplies the right atrium and ventricle.Marginal artery#It is branch of the Right Coronary Artery.#It runs along the inferior border toward the apex and supplies the inferior margin of the right ventricle.Anterior IV (Left Anterior Descending) Artery#It is branch of the Left Coronary Artery.#It supplies anterior aspects of the right and left ventricles and is the chief source of blood to the IV septum and the apex.Diagonal artery is the branch of the LAD and it supplies the anterolateral surface of the left ventricle.