Catecholamines

Catecholamines are biogenic amines such as adrenaline, noradrenaline and dopamine, which post-synaptic have a stimulating effect on the [[sympathetic] alpha- and beta-receptor (see learning module heart). They are all chemical similarly structured.

https://de.wikipedia.org/wiki/Katecholamine _{(Wikipedia CC-by-sa-3.0)}