Assertion: periosteum's osteoblast | /r/CapableOf | produce the bone tissue
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Source sentences:
text: The inner, cellular or osteogenic periosteal layer, also called cambium, which has got the name from the cambium between the bark and wood of a tree, is in direct contact with the cortical bone; it consists of progenitor cells that develop into osteoblasts, which produce the bone tissue.