adrenaline or adrenalin, epinephrine neurotransmitter molecule. skeletal formula.

adrenalin stress fight adrenal flight response formula brain hormone gland epinephrin anatomy anaphylaxis cortex chemical glucose biology cortisol axis drawing adrenaline molecule chemistry hypothalamus blood hpa drug pituitary hypothalamic acth illustration scheme steroid function effect pressure system body bloodstream glycogen infographic liver physiology compound icon line vector epinephrine structure