The release of catecholamines is triggered by the sympathetic nervous system acting on the adrenal medulla, while the secretion of corticosteroids is triggered by the pituitary gland and ACTH acting on the adrenal cortex.

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This statement is true. Catecholamines (such as adrenaline and noradrenaline) are released from the adrenal medulla in response to sympathetic nervous system activation, while corticosteroids (such as cortisol) are secreted from the adrenal cortex in response to pituitary gland and ACTH stimulation.

The Release of Catecholamines Is Triggered by the Sympathetic Nervous