Which artery is the most critical branch of the left main coronary artery?
left anterior descending artery
The left anterior descending artery branches off the left coronary artery and supplies blood to the front of the left side of the heart. The circumflex artery branches off the left coronary artery and encircles the heart muscle.
Where does arcuate artery come from?
The arcuate artery arises from the dorsalis pedis artery adjacent to the medial cuneiform bone. From its origin point, it arches laterally over the dorsum of the foot, running over the bases of the metatarsal bones while covered by the tendons of the extensor digitorum brevis muscle.
What is the gross anatomy of the heart?
The heart is made up of four chambers: two upper chambers known as the left atrium and right atrium and two lower chambers called the left and right ventricles. It is also made up of four valves: the tricuspid, pulmonary, mitral and aortic valves.
What is the function of arcuate artery?
At the junction of the cortex and medulla, the interlobar arteries bend over to form incomplete arches. Accordingly, this section of the blood supply is called the arcuate artery. Many small radial arteries branch off at right angles from the arcuate artery, carrying blood toward the cortex.
What does the arcuate artery supply?
It communicates with the plantar arteries through the perforating arteries of the foot. It runs with the lateral terminal branch of deep fibular nerve. This vessel gives off the second, third, and fourth dorsal metatarsal arteries.
What is the apex of heart?
In the anatomical position, the apex of the heart is the confluence of the inferior and left borders. It is a projection inferiorly, anteriorly and to the left of the left ventricle. Anterolaterally, it is covered by the anterior surface of the mediastinal pleura.
When blood leaves the arcuate artery it will flow into the?
As blood moves from the cortical and medullary beds, it drains into a network of venules that converges into interlobular veins, the arcuate, interlobar, and then renal vein, which exits the kidney to drain into the inferior vena cava (Figure 2).