The word "periosteum" refers to a thin, tough membrane that covers the outer surface of bones. It helps protect and nourish the underlying bone, as well as providing a surface for tendons and ligaments to attach to. Full definition
Before implanting the bone sections into Guilkey's face, Taylor and his team wrapped them in periosteum tissue, which covers bone surfaces and was harvested from Guilkey's leg. (scientificamerican.com)
This is a collection of blood between your baby's skull bones and a tough thin tissue called the periosteum, which surrounds the bone (almost like shrink wrap). (verywellfamily.com)
The vessels that provide blood enter into the bone through the thin membrane that covers it, which is known as the periosteum. (discovermagazine.com)