Trace the path of blood through the coronary vessels Trace the path of blood to

Question

Trace the path of blood through the coronary vessels Trace the path of blood to and from the ventricular myocardium (you do not need to include the atrial myocardium). Indicate the direction of blood flow, the oxygenated state of blood (oxygen rich vs. oxygen poor), and the ventricular chambers/regions served by each vessel. Use anatomical terminology (e.g. anterior aspect) in describing regions. Include the relationship of the coronary vessels to the systemic circuit and to specific heart chambers. Blood-vessels term bank: left coronary artery (LCA) right coronary artery (RCA) anterior interventricular branch of the LCA (= left anterior descending artery) posterior interventricular branch of the RCA circumflex branch of the LCA marginal branch of the RCA great cardiac vein middle cardiac vein posterior cardiac vein small cardiac vein coronary sinus

Explanation / Answer

The coronary circulation is the flow of blood in the heart muscles. The coronary arteies are rich in oxygenated blood whereas the coronary veins are rich in deoxygenated blood. The left coronary artery supplies blood to the left side of the heart. The right coronary artery supplies blood to the right side of the blood. The anterolateral papillary muscle more frequently receives two blood supplies: left anterior descending artery and the left circumflex artery. The great cardiac vein returns deoxygenated blood from the anterior surfaces of the left ventricle. The coronary sinus serves as the primary collector of cardiac venous blood. The deoxygenated blood from the ventricular myocardium is transported through coronary sinus to the right atrium then to right ventricle. From right ventricle the blood is send to lungs then the blood is oxygenated and through coronary arteies sent to left atrium . From the left atrium the blood is transferred to the left ventricle. From the left ventricle oxygenated blood is transported to the myocardium through coronary arteies.

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