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睾丸既是男性产生精子的生殖腺，又是分泌雄性激素的内分泌器官。睾丸功能的正常发挥有赖于其正常的解剖定位和下丘脑-垂体-性腺轴的反馈调控。睾丸的解剖异常会导致男性性征异常和性功能障碍，也会增加睾丸肿瘤的发生率。因此，掌握睾丸解剖和生理知识是临床上治疗睾丸疾病和?
Testicles are not only male reproductive gland producing sperm, but also the secretion of male hormones endocrine organs. The normal function of testis depends on its normal anatomical location and hypothalamic-pituitary-gonad axis feedback regulation. Abnormal testicular anatomy can lead to abnormal male sexual characteristics and sexual dysfunction, but also increase the incidence of testicular tumors. Therefore, to master the testicular anatomy and physiological knowledge is clinically treated testicular disease and?