The testes are responsible for producing sperm and testosterone in males.
翻译：睾丸在男性体内负责生成精子和睾酮。
In the human reproductive system, the testes are located in the scrotum.
翻译：在人类生殖系统中，睾丸位于阴囊内。
Testicular cancer is a relatively rare form of cancer that originates in the testes.
翻译：睾丸癌是一种起源于睾丸的相对罕见的癌症。
A physical examination revealed that the patient had swollen and tender testes.
翻译：体检结果显示病人有肿大且疼痛的睾丸。
During puberty, the testes increase in size and start to produce sperm.
翻译：在青春期，睾丸会增大并开始产生精子。
Regular self-examination can help detect any abnormalities in the testes early.
翻译：定期自我检查有助于早期发现睾丸的任何异常。
Cryptorchidism is a condition where one or both testes do not descend into the scrotum.
翻译：隐睾症是一种病症，其中一个或两个睾丸没有下降到阴囊内。
Spermatozoa are produced through a process called spermatogenesis within the seminiferous tubules of the testes.
翻译：精子是通过睾丸内的精曲小管进行称为精子发生的生理过程产生的。
After a vasectomy, the testes continue to produce sperm, but it's absorbed by the body.
翻译：接受输精管结扎术后，睾丸仍会继续产生精子，但会被身体吸收。
Testosterone, produced by the Leydig cells in the testes, plays a crucial role in the development of male secondary sexual characteristics.
翻译：睾丸中的Leydig细胞产生的睾酮，在男性第二性征发育过程中发挥着至关重要的作用。
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