Superior ganglion

The Superior Ganglion is a type of ganglion that is part of the autonomic nervous system. It is a cluster of nerve cell bodies, or neurons, that is located outside of the central nervous system. The superior ganglion is involved in transmitting nerve signals from the brain to various parts of the body.

Structure

The superior ganglion is a small, oval-shaped structure that is located in the upper part of the neck. It is one of the four parasympathetic ganglia of the head and neck. The other three are the otic ganglion, the submandibular ganglion, and the pterygopalatine ganglion.

Function

The superior ganglion is responsible for transmitting nerve signals from the brain to various parts of the body. These signals are involved in a variety of functions, including the regulation of heart rate, blood pressure, and digestion. The superior ganglion also plays a role in the body's response to stress and the regulation of body temperature.

Clinical significance

Damage to the superior ganglion can result in a variety of symptoms, depending on the specific nerves that are affected. These can include difficulty swallowing, changes in heart rate, and changes in blood pressure. In some cases, damage to the superior ganglion can also result in Horner's syndrome, a condition characterized by drooping of the upper eyelid, constriction of the pupil, and absence of sweating on the affected side of the face.

See also

• Ganglion
• Autonomic nervous system
• Neuron
• Horner's syndrome