How is adrenaline controlled?
Adrenaline is mainly released in response to stressful events to prepare the body for the ‘fight or flight’ response. These events lead to the activation of nerves connected to the adrenal glands, which trigger the secretion of adrenaline and thus increase the levels of adrenaline in the blood. This process happens relatively quickly, within 2 to 3 minutes of the stressful event being encountered. When the stressful situation ends, the nerve impulses to the adrenal glands are lowered, meaning that the adrenal glands stop producing adrenaline.
Stress also stimulates the release of adrenocorticotropic hormone from the pituitary gland, which promotes the production of the steroid hormone cortisol from the cortex of the adrenal glands. This steroid hormone is more important in altering the body’s metabolism (ie, raising plasma glucose) under conditions of longer-term, ongoing (chronic), rather than acute, stress.
How is adrenaline controlled?Adrenaline is mainly released in response to stressful events to prepare the body for the ‘fight or flight’ response. These events lead to the activation of nerves connected to the adrenal glands, which trigger the secretion of adrenaline and thus increase the levels of adrenaline in the blood. This process happens relatively quickly, within 2 to 3 minutes of the stressful event being encountered. When the stressful situation ends, the nerve impulses to the adrenal glands are lowered, meaning that the adrenal glands stop producing adrenaline.Stress also stimulates the release of adrenocorticotropic hormone from the pituitary gland, which promotes the production of the steroid hormone cortisol from the cortex of the adrenal glands. This steroid hormone is more important in altering the body’s metabolism (ie, raising plasma glucose) under conditions of longer-term, ongoing (chronic), rather than acute, stress.
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