Heart vs Sciatic nerve
| Property | Heart | Sciatic nerve |
|---|---|---|
| Latin Name | Cor | Nervus ischiadicus |
| Type | Organ | Nerve |
| Body System | Cardiovascular | Nervous |
| Body Region | Heart Region | Hip |
| Function | The central pump of the cardiovascular system, propelling blood through the pulmonary and systemic circuits. Beats approximately 100,000 times per day, pumping about 7,500 liters of blood daily. | 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 … |
| Clinical Significance | Coronary artery disease is the leading cause of death worldwide. Myocardial infarction results from coronary artery occlusion. Heart failure, valvular diseases, arrhythmias, and congenital heart defects are major cardiovascular conditions. | 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. … |
| FMA ID | 7088 | 19034 |
Full structure pages
Heart
Cor
A muscular pump roughly the size of a fist, the heart lies in the middle mediastinum and drives blood through the pulmonary and systemic circuits. It beats about 100,000 times a day, moving some 7,500 …
Sciatic nerve
Nervus ischiadicus
The largest and longest nerve in the body, the sciatic nerve supplies motor innervation to the posterior thigh and every muscle below the knee, and sensation to the lateral leg, the foot, and part of …