Assertion: periosteum | /r/HasAspect | middle fibrous layer
Facets:
Source sentences:
text: Periosteum has an inner bone-forming (osteoblastic) layer, a middle fibrous layer and an outer layer containing many blood vessels and nerves.
text: Periosteum has an inner bone-forming (osteoblastic) layer, a middle fibrous layer and an outer layer containing many blood vessels and nerves.
text: Periosteum has an inner bone-forming (osteoblastic) layer, a middle fibrous layer and an outer layer containing many blood vessels and nerves.