| 功能 |
The largest artery in the body, carrying oxygenated blood from the left ventricle to distribute to all body tissues via its branches. Maintains blood pressure through elastic recoil of its … |
The largest and longest nerve in the body, providing motor innervation to the posterior thigh and all muscles below the knee. Provides sensory innervation to the lateral leg, foot, and … |
| 临床意义 |
Aortic aneurysm (dilation) can rupture, causing fatal hemorrhage. Aortic dissection is a life-threatening tear in the aortic wall. Atherosclerosis commonly affects the aorta. Coarctation of the aorta is a congenital … |
Sciatica (sciatic nerve irritation, often from disc herniation) causes radiating pain down the posterior leg. Piriformis syndrome compresses the nerve in the buttock. Improper gluteal injections can damage the nerve. … |