性腺功能异常降低的病症，表现性器官及第二性征不发育，生长发育迟缓。有的是染色体异常，有的是其他疾病所致。病变在性腺本身者称原发性性腺功能减退，垂体促性腺激素分泌不足所致者称继发性性腺功能减退。
迟发性性腺功能低下 LOH
性腺功能低下症 Gonadotropin deficiency
先天性甲状腺功能低下 congenital hypothyroidism
原发性甲状腺功能低下 pituitary hypothyroidism
假性甲状旁腺功能低下 pseudo-hypoparathyroidism
目的提高男性性腺功能低下症的诊断和治疗水平。
Objective To improve the standard of diagnosis and treatment of male hypogonadism.
模型中能看到动物下丘脑-垂体-性腺轴功能紊乱、低下，与中医肾虚证相似。
In the animal model, the function of the hypothalamus - pituitary - gonadal axis are disordered and low, which is similar with the Chinese kidney deficiency syndrome.
其结果证实，去肾上腺雄性穴鼠垂体—性腺轴功能低下。
The results showed that the function of pituitary-gonad axis decreased in the adrenalectomized male rats.
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