膜まく性せい骨こつ

noun

membranous bone

Anatomical term for bone that develops directly within a membrane, such as the flat bones of the skull.

• 頭ず蓋がい骨こつの多おおくは膜まく性せい骨こつから形けい成せいされる。

  Many of the skull bones are formed from membranous bone.