Assertion: endosteum's cell | /r/HasProperty | osteoprogenitor cells
Facets:
Source sentences:
text: The periosteum contains a layer of undifferentiated cells (osteoprogenitor cells) that later become osteoblasts.
text: This membrane consists of special cells called osteoblasts, osteoclasts, and osteoprogenitor cells.
text: The periosteum contains a layer of undifferentiated cells (osteoprogenitor cells) which later become osteoblasts.