Adrenal medulla Brain + Body

The acute fight-or-flight hormone that spikes within seconds of a threat, raising heart rate, blood pressure, and blood glucose and dilating airways to prime the body for action.

Too little may be associated with

Blunted acute stress response.

Too much may be associated with

Palpitations, anxiety, and high blood pressure; surges in pheochromocytoma.

Informational only — not medical advice.

Organ systems

Stimuli that influence it

Substances

Behaviors

Community

Log in to rate and share your notes.

No contributions yet.