Biochemistry Catecholamine hormones are synthesized in the: A Chromaffin cells of adrenal medulla B Zona glomerulosa of adrenal cortex C Zona fasciculate of adrenal cortex D Zona reticularis of adrenal cortex 💡 Explanation Catecholamine hormones are synthesized in the: ✓ Correct Answer: A. Chromaffin cells of adrenal medulla