They can regenerate impressively the testes.

令人印象深刻的是，它们还能再生睾丸。

The gonads are either the testes or the ovaries, and this will control sexual development and reproduction.

性腺是指睾丸或者卵巢，而这可以控制性征发育和生育。

Less testosterone also suppresses testes maturation and sperm production as well as development of secondary male characteristics.

睾酮水平的下降还会抑制睾丸的发育和生精，男性第二性征的发育也会受抑制。

In addition, the Sertoli cells of the testes respond to follicle-stimulating hormone by producing more sperm.

此，睾丸的支持细胞开始对FSH产生应答，产生更多的精子。

During an ejaculation, sperm leave the testes, travel through the vas deferens, into the ejaculatory ducts, and travel through the prostatic urethra.

在射精的过程中，精子离开睾丸，通过输精管进入射精管，穿过尿道前列腺部。

In stage 2, pubic hair appears and there’s a measurable enlargement of the testes; and breast buds appear.

在第2期，阴毛开始生长，男孩睾丸开始增大，女孩乳房芽开始。

Beginning at puberty, the Leydig cells of the testes respond to the luteinizing hormone by converting more cholesterol into testosterone.

青春期开始后，睾丸的间质细胞开始对LH产生应答，将更多的胆固醇转化为睾酮。

No. It's not an ovary, it's a testis.

不，那不是卵巢，是睾丸。

During puberty, the Leydig cells of the testes respond to the luteinizing hormone by converting more cholesterol into testosterone.

在青春期，睾丸间质细胞对促黄体生成素作反应，将更多的胆固醇转化为睾酮。

He had his testes measured, a blood sample taken and he was made to do exercises to see how strong he was.

检测了睾丸，抽取了血样，并让他做运动，看看他有多强壮。

Early on in male development, testosterone helps the external sex organs to differentiate into male genitals and causes the testes to descend from the abdomen into the scrotal sac.

在男性发育的早期，睾酮帮助部性器官分化成男性生殖器，还可促进睾丸从腹腔降入阴囊。

The hypothalamic-pituitary-gonadal axis is a system of hormone signaling between the hypothalamus, pituitary gland, and gonads, either the testes or ovaries, to control sexual development and reproduction.

下丘脑-垂体-性腺轴是下丘脑、垂体与生殖腺（睾丸或卵巢）之间的激素信号转导系统，控制性发育和生殖。