Pheochromocytoma is a neoplasm of neural crest origin arising in the adrenal medulla. 嗜铬细胞瘤是发起于肾上腺髓质神经嵴起源点的一种赘生物。
In vivo voltammetry using carbon fiber electrodes was employed to determine the catecholamine secreted from the adrenal medulla. 应用碳纤微电极直接测定大鼠肾上腺髓质中儿茶酚胺浓度的在体伏安法。