These blood vessels in turn would've helped grow the keratinaceous sheath that would've covered the spine, and in turn would also have covered all the low armor, the bone over the whole body of the animal.
这些血管反过来能够帮助形成角质外鞘覆盖刺毛,转而也能覆盖所有刺毛下面的护甲,这些骨质护甲覆盖着该动物全身。