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.
Definition of subject for Students. 1  1 : the person or thing discussed : topic She's the subject of rumors. 2  2 : an area of knowledge that is studied in school Geography is my favorite subject. 3  3 : a person who owes loyalty to a monarch or state.  4 : a person under the authority or control of another.