Below the sacrum is a tiny bone called the coccyx or tailbone.

骶骨之下是一块叫做尾骨的小骨头。

These nerves travel to the area in front of the sacrum, and join to make the sacral plexus.

这些神经走行至骶骨前面，连接形成骶神经丛。

Ewing's sarcoma can affect a number of different bones, but most commonly affects the femur and the sacrum.

尤因氏肉瘤可累及许多不同的骨骼，但最常见的是股骨与骶骨。

Below that is a bone called the sacrum, which is attached to the pelvic bone on either side, called the ilium, and where they meet is the sacroiliac joint.

再往下是一块称为骶骨的骨头，分别连结于骨盆两侧的髂骨上，二者共同构成骶髂关节。

They extend from the cranium and sacrum where they start, out to the lungs or liver or bladder — wherever their effector is — where they reach their ganglion.

它们从颅骨和骶骨开始，延伸到肺、肝或膀胱——无论它们的效应器在哪里——它们会抵达神经节。

In between the two sides of bones, you have the vertebral column and the vertebral column here is fused together and it forms what we call the sacrum.

在骨头的两侧之间，有脊柱，这里的脊柱融合在一起，形成我们所说的骶骨。

And we lift up from the pelvic floor and we reach the right hand to the small of the back or the sacrum, and we open up through the chest.

我们从骨盆底抬起，右手伸到背部或骶骨，然后打开胸腔。

In the 1880s, Yale paleontologist O. C. Marsh found that some specimens of Stegosaurus had a big cavity in it sacrum, where the spinal column meets the pelvis.

在 1880 年代， 耶鲁古生物学家 O. C. Marsh 发现剑龙的一些标本在其骶骨处有一个大空腔，也就是脊柱与骨盆的交汇处。

And some experts think that cavity in its sacrum was actually used to store glycogen, the starchy compound that animals -- including you and me -- use to store energy.

一些专家认为它骶骨中的空腔实际上是用来储存糖原的，这是一种淀粉类化合物， 动物——包括你和我——用来储存能量。

The sacrum is, in turn, also fused or attached to the ilium depending which animal you're looking at and this whole structure, of course, is designed to support the great weight of the Tyrannosaur.

反过来，骶骨也融合或附着在髂骨上，具体取决于您正在观察的是哪种动物，而整个结构当然是为了支撑霸王龙的巨大重量而设计的。