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

再看看线虫，它们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，这种蠕虫一种原产于澳大利亚蛔虫。

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

这从一种名为线虫小蛔虫身上汲取经验，这种小生物一直基础生物学实验室工。

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

这些寄生蛔虫。它们生活在人类内。

Raccoon roundworms are not excreted by their human host.

- 浣熊蛔虫不会被人类宿排出体外。

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

科学家们发现了一种扁虫卵和两种蛔虫卵。

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

当在小鼠和蛔虫身上做试验时，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验。

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验室，该实验室证实了首例大脑中存在蛔虫病例。

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蛔虫。

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

即使秀丽隐杆线虫（Caenorhabditis elegans）这种由几千个细胞组成原始蛔虫，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，某些蛔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。

They determined that it was an Ophidascaris robertsi, a type of roundworm that is native to Australia and reproduces in a large snake, the carpet python, which takes its name from its intricate markings.

他们确定这一种Ophidascaris robertsi，一种原产于澳大利亚蛔虫，在一条大蛇——地毯蟒身上繁殖，地毯蟒因其复杂斑纹而得名。

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，蛔虫，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，水蛭等等都旧石器时代人类失去血液和铁好方法。