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

性腺是指丸或者卵巢，而这可以控制性和生。

The virus can survive in the eyes, testes, placenta, and amniotic fluid.

病毒可以在眼睛、丸、胎盘和羊水中存活。

But that's not to say that the testes aren't complex.

但这并不是说丸不复杂。

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

酮水平的下降还会抑制丸的和生精，男性第二性的也会受抑制。

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，男孩丸开始增大，女孩乳房芽开始现。

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

此外，丸的支持细胞开始对FSH产生应答，产生更多的精子。

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，丸的间质细胞开始对LH产生应答，将更多的胆固醇转化为酮。

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

在青春期，丸间质细胞对促黄体生成反应，将更多的胆固醇转化为酮。

The leydig cells are in the interstitium of the testes and in response to luteinizing hormone they convert cholesterol into testosterone.

丸间质细胞正如其名，位于丸的间质中，在LH的刺激下，它能把胆固醇转化成酮。

One of these enzymes is found only in the testes.

其中一种酶仅存在于丸中。

In men, puberty begins when the testes start secreting testosterone.

在男性中，当丸开始分泌丸激时，青春期就开始了。

Her body can reabsorb her ovaries and grow testes in their place.

她的身体可以重新吸收卵巢并在其位置上长丸。

The testes — the gonads of the anatomical male — are tasked with making male gametes, sperm, and the androgen hormone testosterone.

丸——解剖学上男性的性腺——负责制造男性配子、精子和雄激酮。

Specifically, we are looking to block the function of vitamin A in the testes.

具体来说，我们正在寻求阻断丸中维生 A 的功能。

Germ cells, as they're called, developed inside a fortress-like structure within the testes.

这些所谓的生殖细胞是在丸内一个类似堡垒的结构内的。

Basically, these hormones interfere with the sperm growth cycle in specialized cells in the testes.

基本上，这些激会干扰丸中特殊细胞的精子生长周期。

And when my son was growing inside of me, his tiny little testes were cranking out the testosterone.

当我的儿子在我体内成长时，他小小的丸就开始大量分泌丸激。

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

检测了丸，抽取了血样，并让他做运动，看看他有多强壮。

Although on the outside, she was fully female, she had XY chromosomes and these internal testes.

虽然从外表上看， 她完全是女性，但她有 XY 染色体和这些内部丸。

So the testes have to be outside the body cavity to reach the lower temperature necessary for proper spermatogenesis, or sperm production.

所以丸必须在体腔之外，才能达到正常精子生或精子产生所需的较低温度。