Catecholamines

Dopamine (DA)

Neurotransmitter, related to NE and EPI , that belongs to a group catecholamines.

Norepinephrine (NE)

• Neurotransmitter related to

• Group: catecholamines

• Also functions as a drug secreted by the chromaffin cells of the adrenal medulla

• AKA nonadrenaline

Epinephrine (EPI)

• Hormone related to NE

• Group: catecholamines

• Secreted by the chromaffin cells of the adrenal medulla

• Produces fight-or-flight response by regulating the diversion of energy and blood to muscles

• AKA adrenaline

Catecholamines

• Group of neurotransmitters and hormones characterized by two chemical similarities: a core structure of catechol and a nitrogen-containing amine

• Belong to a wider group of transmitters called monoamines or biogenic amines