The autonomic nervous system orchestrates the functions of internal organs such as the heart and gut, serving as a connection ...

It is classified in two divisions-the sympathetic and parasympathetic systems, often described as the body's accelerator ... autonomic nervous system consists of neurons in ganglia (groups or clusters ...

It is a congenital condition, which means it is present from birth. In Hirschsprung's disease, certain types of nerve cells (ganglion cells) are missing from a part of the bowel. In areas without such ...

Medically reviewed by John Carew, MD The greater petrosal nerve branches off of the facial nerve in the skull. Along with a ...