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

严格来说这个形状的名是日环。所以这一现象就日环食。

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

外层纤维环；内层髓，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”；直的脊柱外缘的纤维环骨化导致脊柱看起来像是空心的一！

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.

在椎体之间的是由Ⅰ型和Ⅱ型胶原构成的椎间盘，它由两部分组成：外层的环形纤维结构纤维环，而内层的胶状物质髓。