Normally, pathways of the nervous system, the autonomic nerves, direct these unwilled responses within the space of a few heartbeats.

In severe cases, the nerves that regulate internal body functions (autonomic nerves) may be involved.

Effects of topical capsaicin on autonomic nerves in experimentally-induced nasal hypersensitivity.

It is also found in the brain and some autonomic nerves.

The cardiac nerves are autonomic nerves which supply the heart.

Autonomic ganglia contain the cell bodies of autonomic nerves.

Damage to the autonomic nerves affects the function of areas connected to the problem nerve.

Between it and the pulmonary trunk is a network of autonomic nerve fibers, the cardiac or aortic plexus.

The autonomic nerves affecting the gastrointestinal (GI) system control the way these organs contract and relax in order to move food along.

Diabetes can cause problems in the autonomic nerves that allow a man to achieve an erection and ejaculate.