Consider the nematode roundworm, the most abundant of all animals.

再看看线虫，它们是所有动物家族当中最为繁盛。

The doctors said the worm was a roundworm native to Australia.

这两名医生表示，这种蠕虫是一种原产于澳大利亚虫。

That's the lesson from the tiny roundworm called C.elegans, long a workhorse in basic biology lab work.

这是从一种名为线虫小虫身上汲取经，这种小生物一直是基础生物学实工作主力。

These are parasitic roundworms. They live inside a human being's intestines.

这些是寄生虫。它们生活在人类肠道内。

And scientists found one type of flatworm egg and two types of roundworm eggs.

学家们发现了一种扁虫卵和两种虫卵。

Roundworm, hookworm, whipworm, schistosomiasis: infections from these species cause pain and discomfort.

虫、钩虫、鞭虫、血吸虫病：这些物种感染会引起疼痛和不适。

When used in trials on mice and roundworms, the drug improved both their healthspans and lifespans, and it's currently undergoing human trials.

当在小鼠和虫身上做试时，这个药物能提高它们健康寿命和预期寿命，而且目前已经在进行人体试。

The parasite was sent to a lab which confirmed the first ever case of a roundworm in someone's brain.

这种寄生虫被送往实，该实证实了首例大脑中存在虫病例。

An M R I revealed a abnormality in her brain and the doctor who operated on it pulled out a live roundworm.

核磁共振检查显示她大脑存在异常，进行手术医生取出了一条活虫。

Even Caenorhabditis elegans, a primitive roundworm made up of a few thousand cells, does something that looks an awful lot like it.

即使是秀丽隐杆线虫（Caenorhabditis elegans）这种由几千个细胞组成原始虫，也会做一些看起来非常相似事情。

One such study showed that certain roundworms retained behaviors that they had learned before they were cryopreserved after they were vitrified and revived.

其中一项研究表明，某些虫在玻璃化和复活后保留了它们在冷冻保存之前学到行为。

Plus, the poop they leave behind can contain roundworms and other parasites, which can enter your lungs when you breathe or get tracked into your home by your pets.

此外， 它们留下粪便中可能含有虫和其他寄生虫，这些寄生虫可能会随着你呼吸进入你肺部， 或者被你宠物带入你家中。

Being infected by hookworms, roundworms, bacteria like H. Pylori and other pathogens, getting wounded from accidents or animal attacks, ticks, leeches and so on would all be great ways to lose blood and iron for paleolithic humans.

被钩虫，虫，像幽门螺旋杆菌这样细菌和其他病原体感染，被意外伤害或动物攻击，蜱虫，水蛭等等都是旧石器时代人类失去血液和铁好方法。