He had a rare condition called amniotic band syndrome.

他有一种罕见的症状叫做羊膜带综合症。

Also, the amniotic sac often ruptures at this point if it hasn't already.

羊膜囊通常在宫口未开全的情况下破裂。

It can be done before birth via chorionic-villus sampling or amniocentesis.

它可以在出生前通过绒毛膜-绒毛取样或羊膜穿成。

" And I was born wi' a caul, and perhaps can be no more ruined than drowned? " Christian added, beginning to give way.

“我生下来头顶上有羊膜护着，或许不会有比淹死更大的厄运了吧？”克里斯廷接着说道，开始动摇了。

In more serious cases, amniocentesis, where a sample is taken directly from the amniotic sac surrounding the fetus, can be performed.

在严重的情况下，需行羊膜穿，即直接胎儿周围的羊膜囊穿取样检查。

Other times the amniotic sac might rupture, sometimes called " water breaking" .

另外，羊膜囊可能破裂，有时称之为“羊水破了”。

A karyotype can be done before birth with an amniocentesis or at any time after birth with the blood test.

核型分析在出生前就可以用羊膜穿取样或在出生取样。

This can also be done prenatally by testing fetal DNA obtained through either chorionic villus sampling or amniocentesis.

这可以在产前通过检测胎儿DNA成，如绒毛膜绒毛取样或羊膜穿。

Exactly, the chicken fetus, and also the membrane skin.

正是鸡胚，还有羊膜皮肤。

Amniotic fluid, the protective liquid surrounding the fetus within the amniotic sac.

羊水，即羊膜囊内环绕胎儿的保护性液体。

One of the amniotic sacs ruptured, the strong twins'.

- 一个羊膜囊破裂了，强壮的双胞胎。

And that balloon bag is surrounded by thick muscle, which is the uterus, surrounds the entire bag and has, actually, a thicker portion at the bottom.

而那个像气球一样的羊膜囊被厚厚的肌肉层包围，这就是子宫， 它包裹着整个羊膜囊，并且在底部有一个更厚的部分。

And one was amniocentesis or CVS, where you use a needle to get a sample from either the placenta or the amniotic fluid in the uterus.

其中一种是羊膜穿或绒毛取样（CVS），即通过针头胎盘或子宫内的羊水获取样本。

It's just kind of part of the normal fluid that surrounds the body in the, in the amniotic sac and stuff like that.

它只是包围身体的正常液体的一部分，在羊膜囊之类的东西中。

But they must be present in the last common ancestor because all amniotic species, mammals, reptiles and birds, evolved circuits from them.

但它们必定存在于所有羊膜动物（包括哺乳动物、爬行动物和鸟类）的最共同祖先中，因为这些物种都是这些电路演化而来的。

And in lush forests dominated by ferns and ancient plants, a new kind of tetrapod was taking over: the amniotes.

在以蕨类植物和古老植物为主的茂密森林中，一种新的四足动物正在接管：羊膜动物。

So I got the results of the amnio today.

羊膜穿的结果今天出来了。

These arid wastelands would’ve been uninhabitable for early tetrapods, but not for the amniotes.

这些干旱的荒地 对于早期的四足动物来说是不适宜居住的，但对于羊膜动物来说却不是。

Amniotes with one temporal fenestrae are called synapsids.

具有一个颞孔的羊膜动物称为突触。

I used to, I have no idea why the amniotic sacs ruptured.

- 我曾经，我不知道为什么羊膜囊会破裂。