This technical name for this shape is annulus, so this event is called an annular eclipse.

严格来说这个形状名称。所以这一现象就被称为食。

The outer fibrous ring, called the annulus fibrous, and inner gel-like pulp, called the nucleus pulposus.

外层为；内层为髓，呈胶状。

An X-Ray and CT often show a bamboo spine, which is caused by the ossification of the annulus fibrosus on the outside of a straightened spine, giving it a hollow appearance!

X线摄片和CT通常可见“竹节样”改变；变直脊柱外缘骨化导致脊柱看起来像空心一样！

Between each of the vertebral bodies is an intervertebral disc which is made of type I and type II collagen and has two parts, the annulus fibrosis, an outer fibrous ring, and the nucleus pulposus, an inner jelly-like substance.

在椎体之间由Ⅰ型和Ⅱ型胶原构成椎间盘，它由两部分组成：外层形结构称为，而内层胶状物质称为髓。