Secondary hypoadrenalism, or ACTH deficiency hypoadrenalism, is caused by diseases of the pituitary gland, which lead to adrenal failure as a secondary effect.
Male hypogonadism is a group of syndromes in clinic andrology characterized by complete or partial androgen deficiency. It can be divided into primary and secondary hypogonadism.
男性性腺功能低减在男科临床常见，分为原发性和继发性两类，共同之处都在于雄激素不足。
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This is because that the technology not only avoids the drawbacks in chemical synthesis of secondary plant metabolites but also surmounts the deficiency in cultivation of intact plant.