====== Noradrenergic ======

The term "noradrenergic" relates to the [[neurotransmitter]] [[norepinephrine]], also known as [[noradrenaline]]. Norepinephrine is a chemical messenger that plays a significant role in the [[sympathetic nervous system]], which is responsible for the [[acute stress response]] in the body. Noradrenergic neurons are [[nerve cell]]s that release norepinephrine as their primary [[neurotransmitter]].

Noradrenergic neurons are found in various parts of the brain and the peripheral nervous system. They are involved in regulating a wide range of physiological processes, including:

Stress Response: Norepinephrine is released in response to stress or perceived threats. It prepares the body to respond by increasing heart rate, dilating airways, and redirecting blood flow to muscles.

Alertness and Arousal: Noradrenergic neurons in the brainstem and other areas play a role in promoting wakefulness, attention, and alertness.

Mood and Emotion: Dysregulation of noradrenergic activity has been associated with mood disorders, such as depression and anxiety.

Blood Pressure Regulation: Norepinephrine can increase blood pressure by constricting blood vessels and increasing the force of the heart's contractions.

Regulation of Autonomic Functions: Noradrenergic pathways help control various autonomic functions, such as digestion, urination, and pupillary dilation.

Medications that target the noradrenergic system can be used to treat conditions like attention deficit hyperactivity disorder (ADHD), depression, and hypertension. Additionally, the noradrenergic system is closely related to the dopaminergic system in the brain, and disturbances in these systems are implicated in various neuropsychiatric disorders.