That ring of sclerotic tissue often produces prostaglandins, which are small molecules that trigger the sensation of pain.

硬化的骨组织通常会生前列腺，小分子会引疼痛感。

Shiny new industries get most attention, the idea being that they can speed things up, particularly in the sclerotic regions.

朝阳业备受关注，人们认为它可以促进整体的，其是僵化地区。

In osteoid osteomas, the nidi are smaller than 1.5cm in diameter and are often surrounded by a ring of sclerotic bone tissue.

在骨样骨瘤中，癌巢直径通常小于1.5cm，并且通常被硬化的骨组织包围（边缘硬化）。