A dermatome is a distinct area of your skin defined by its connection to one of 30 spinal nerves. We’ll explore more about both your spinal nerves and dermatomes, including a chart showing each ...

Pheochromocytoma t umors: A tumor developing in the adrenal medulla that can overstimulate the production of adrenaline and cause adrenaline rushes. Paraganglioma tumors: These are tumors that ...

Cortisol is made by your adrenal glands, which are two small glands that sit on top of your kidneys. It helps you respond to stress and plays a key role in other functions, including how your body ...

This heart anatomy diagram shows that blood flows from the right atrium into the right ventricle and out to the lungs (via the pulmonary artery) where it gets oxygen. The oxygen-rich blood goes ...