medullose

例句：

1. 1. The medullary part of the bone is where the blood vessels are located.
   骨的髓部是血管所在的地方。
2. 2. Collagenous fibers are found in tendons and ligaments.
   胶原蛋白纤维存在于肌腱和韧带中。
3. 3. Fibrillar structures are formed by bundles of filaments that intertwine.
   纤丝结构是由交织在一起的细丝束形成的。