Testicular allotransplantation is one of the effective options for the treatment of male infertility and hypogonadism.
异体睾丸移植是治疗男性不育或性腺功能减退的有效法一。
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Having an extra X chromosome makes the testicular cells generate less testosterone, which is a hormone responsible for primary sex characteristics like development of the sex organs as well as secondary sex characteristics like height and body shape.
多一条X染色体会让睾间质细胞的睾酮产量下降;睾酮种激素不仅负责第一性征的发育,如性器官发育,也负责第二性征发育,如身高和体形。