Chemical Coordination and Integration

Question

Injury to the adrenal cortex is not likely to affect the secretion of which one of the following? 

  • Aldosterone

  • Both androstenedione and dehydroepiandrosterone 

  • Adrenalin

  • Cortisol

Answer

C.

Adrenalin

The adrenal medulla synthesises two hormones - adrenalin (epinephrine) and nor - adrenaline (non-epinephrine). These hormones are proteinaceous in nature and derived from amino acid tyrosine. Thus, injury to adrenal cortex will not affect the secretion of adrenaline.

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