For this, they looked at an organ called the thymus.

为此，他们检查了研究对象胸腺。

Finally, a lot of people with myasthenia gravis undergo surgical removal of the thymus.

最终，许多重症肌无力患者会进行胸腺切除术。

Now, T-cell development starts in the thymus from precursors that arise in the bone marrow.

现在来看T，它们由从骨髓中产生前体T在胸腺中发育而来。

The tissue came from another person's thymus gland and was partly grown in a laboratory.

该组织来自另一胸腺，在某种程度上在实验室中培养出来。

Ten-second trivia: The thymus, the spleen, and bone marrow are all important parts of what?

胸腺、脾脏和骨髓都体哪一系统重要组成部分?

Usually, our thymus makes sure that the T-cells that attack these self proteins aren't allowed to survive.

一般情况下，我们胸腺灭活这些攻击自身蛋白T。

First, surgeons implanted his new heart while the donated thymus was sent to a laboratory.

第一次手术，外科医生为他移植了新心脏，同时捐赠胸腺被送往实验室。

But Duke University waited to announce the operation until after doctors learned whether the thymus implants were working.

但杜克大学一直等到医生知晓胸腺植入物否起作用后才宣布这一手术。

About two weeks later, he had a second operation to implant the processed thymus tissue.

大约两周后，他进行了第二次手术，将经过处理胸腺组织植入。

However, in this study, the T-cell production by the thymuses of the cyclists had not slowed down with age.

不过, 在这项研究中, “骑行队”胸腺T生成并没有因年龄增长而放缓。

His own partly working thymus was removed so that new immune cells can develop.

他自己部分工作胸腺被切除，这样就可以产生新免疫。

The thymus makes immune cells called T-cells.

胸腺产生称为 T 免疫。

Another lymphoid organ is the thymus, which is in the upper part of the chest - just below where a necklace might sit.

另一免疫器官胸腺，它位于胸上部，刚好低于佩戴项链位置。

Starting at about the age of 20, the thymus of most people starts to get smaller.

大约从 20 岁开始，大多数胸腺开始变小。

Some babies are born without a thymus, which helps in development of part of the immune system known as T cells.

有些婴儿出生时没有胸腺，而胸腺有助于免疫系统中被称为T部分发育。

The thymus is most active in the neonatal period and pre-adolescent years, and then slowly atrophies and gets replaced by fat after puberty.

胸腺在新生儿和成年之前时期最为活跃，然后在青春期以后缓慢萎缩并被脂肪组织取代。

Starting at about the age of 20, the thymus of most people starts to get smaller. It also starts to make fewer T-cells.

大部分胸腺从20岁左右起开始缩小。T也会随之减少。

It's possible that this is because helper T cells, which originate in the thymus, help B cells make antibodies to the acetylcholine receptor.

这可能因为起源于胸腺T，帮助B产生ACh受体抗体。

The thymus gland is an organ that plays an important part in the immune system, which fights infection and disease in the human body.

胸腺在体免疫系统中发挥重要作用器官，它抗击体所受感染和疾病。

This seems to reduce the muscle weakness symptoms even in people that don't appear to have any identifiable problems with the thymus gland itself.

这似乎可以减轻重症肌无力症状，即使那些患者胸腺本身没有问题。