Your nervous system uses billions of tiny, connected nerve cells called neurons to send the messages, which are electrical and chemical signals that tell your body what to do. Your nervous system is ...

A popular image shared by science-focused social media accounts is that of an image labeled as some variation on "the complete human nervous system dissection" or "a fully dissected nervous system." ...

Based on: Textbook of the Nervous System: A foundation for clinical neurology. By H. Chandler Elliott, M.A., Ph.D. With an introduction by Wilder Penfield, M.D. 4 ...

Seeing the inner workings of a hand, or the nervous system surrounding the spleen, doesn’t seem appealing to most people. However, “Gray’s Anatomy,” the corpus of medical students and artists for over ...

The nervous system is the body’s direct communication system. It’s made up of the body’s many nerve cells. These cells work together in a network that sends and receives signals from one part of the ...

Your autonomic nervous system helps regulate emotional balance, but chronic stress or trauma can trigger an overactive fight-or-flight response. Nervous system dysregulation refers to a condition in ...

When a person is at rest, meditating or reading a book, the parasympathetic nervous system is at work. Also known as the "rest and digest" system, the parasympathetic nervous system is responsible for ...

Medical education has always relied on physical models to teach anatomy, but traditional options, such as cadavers or ...

Long after a traumatic event has passed, a person’s nervous system can be reactivated whenever they perceive danger, whether or not danger is present. This feeling of heightened arousal is like being ...