The vagus nerve carries signals between the brain and most of the internal organs. It plays a role in heart rate, appetite and the immune system.

Without it, you wouldn’t be able to flex or rotate your leg. The lumbar plexus has seven bundles of nerves, and the obturator nerve is the second most inferior, or lowest, nerve in this network.

A nerve is a bundle of fibers that receives and sends messages between the body and the brain. The messages are sent by chemical and electrical changes in the cells, technically called neurons ...

What Is the Cerebral Cortex? The cerebral cortex is made up of 14 to 16 billion nerve cells. It's typically only a few millimeters thick but makes up roughly 50% of your total brain mass.

Scientists have found that the outer cortex of the mammalian brain is able to maintain control over all the external inputs it receives because of how its nerve networks are organized into ...

The system consists of a motion-sensing watch and an earpiece that zaps a nerve to help rewire neural circuits. After a stroke, disrupted blood flow causes neurons in the brain to die off, which ...

The gut and the brain communicate with each other in order to adapt satiety and blood sugar levels during food consumption. The vagus nerve is an important communicator between these two organs ...

They bear two other brain segments, lying beside or beneath the gut, which migrate up during development to fuse with the first nerve bundle, forming an intricate, triple-segmented brain.

Among the tactile nerve cells in the mole embryo’s star, those from the foveal rays are the first to become active, reach the cortex, and take up space in the brain, Catania reports in the April ...