They initially start making less of the proteoglycans and more Type II collagen, but soon switch over to making a different collagen type, type I collagen.

他们最开始形成少量的蛋白聚糖和更多的二型胶原，将很快转向产生另一类胶原：一型胶原。

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称为纤维环，而内层的胶状物质称为髓核。