0 a hormone (= chemical substance) produced by the body when a person is frightened, angry, or excited, which makes the heart beat faster and prepares the body to react to danger
The results obtained using adrenergic agonists and antagonists suggest that the effect of adrenaline would be due to an interaction with 2-receptors.
Hence, they would "burn out" on a task earlier than other folk and would need a greater infusion of adrenaline to fuel the system.
For those who enjoy the occasional frisson of mindnumbing fear, the ultimate adrenaline rush is a mountain hurtling from the sky.
Additionally, in males only, age is negatively associated with adrenaline excretion rate, whereas in females there is a weak positive association.
It is only with adrenaline that a dosage is set out.
In severe cases, anaphylaxis with angioedema, respiratory compromise and hypotension can prove fatal without the prompt administration of adrenaline.
As a last resort, he was given adrenaline, injected directly into his heart.
Experiments using adrenergic agonists and antagonists allowed us to determine that the metabolic effect of adrenaline is caused by interaction with 2-receptors.
