The coronary arteries are classified as end circulation, since they represent the only source of blood supply to the myocardium; there is very little redundant blood supply, which is why blockage of these vessels can be so critical.he left coronary artery distributes blood to the left side of the heart, the left atrium and ventricle, and the interventricular septum. The circumflex artery arises from the left coronary artery and follows the coronary sulcus to the left.
disÂ·cussâ²aÂ·ble, disÂ·cussâ²iÂ·ble adj. Synonyms: discuss, argue, debate, dispute. These verbs mean to talk with others in an effort to reach agreement, to ascertain truth, or to convince. Discuss involves close examination of a subject with interchange of opinions: My therapist discussed my concerns with my parents.
10 Controversial Pictures. The official definition of a controversy is an issue that involves a prolonged public dispute or debate. Controversies usually concern a matter of opinion and can involve a wide variety of topics including world history, religion, philosophy, politics, economics, science, finances, age, gender, and race. In some areas of the world controversial issues are said to be disruptive to society and are not discussed in public.