The vertebral column’s most important physiologic function is protecting the spinal cord, which is the main avenue for communication between the brain and the rest of the body. The spinal cord is ...

The lumbar plexus is a nerve plexus (a network of intersecting nerves) in the body’s lumbar region. It is formed by the ventral branches of the first to the fourth upper lumbar nerves (L1-L4), with ...

The obturator nerve is a large, multibranched nerve that travels through your pelvis to your inner thigh. This nerve helps you feel sensations like temperature and pain in your lower limbs. It also ...

The central nervous system consists of the brain and spinal cord. The central nervous system controls thought, movement, and emotion, as well as breathing, heart rate, hormones, and body temperature.

The brain and spinal cord are your body’s central nervous system. The brain is the command center for your body, and the spinal cord is the pathway for messages sent by the brain to the body and from ...