- May 2, 2026The superior vena cava is formed by the union of the two brachiocephalic veins behind the right first costal cartilage…
- May 2, 2026The subclavian vein is the main venous return from the upper limb, joining the internal jugular vein to form the…
- May 2, 2026The coronary arteries supply the heart muscle with oxygenated blood, paradoxically being filled during diastole when the aortic sinuses trap…
- May 2, 2026The aorta is the largest artery in the body, a single high-pressure trunk that receives all the cardiac output and…
- May 2, 2026A small bursa in the intercostal groove of each rib, between the neurovascular bundle and the inferior rib periosteum, reducing…
- May 2, 2026A bursal-like space within the pericardial fat pad at the cardiac apex, where the fat pad cushions the pericardium against…
- May 2, 2026A periosteal bursa at the outer rib surface where overlying muscles (serratus anterior, external oblique) attach via muscular slips, developing…
- May 2, 2026A small bursa in the posterior intercostal space between the internal intercostal muscle and the intercostal neurovascular bundle, reducing friction…
- May 2, 2026The oblique pericardial sinus is a cul-de-sac in the posterior pericardial sac, bounded by the pulmonary veins and the inferior…
- May 2, 2026A bursa between the lower costal slips of latissimus dorsi and the underlying ribs at their origin, reducing friction during…