Anatom3DSympathetic nerves
Nervi sympathici · Sympatické nervy
Nervous system
Looks like
Nerve fibres of the sympathetic system travelling from the chain to organs, vessels and skin.
What it does
Speed the heart, raise blood pressure, widen pupils and airways and slow digestion under stress.
Keeping it well
Disorders cause fainting on standing or heavy sweating; surgeons can cut them for severe hand sweating.