abnormal osteoblast differentiation enhanced osteoblast differentiation 2012-05-18T11:56:40Z MP:0011710 MPheno.ontology csmith increased ability or increased rate of production of skeletogenic cells that secrete osteoid, are capable of producing mineralized (hydroxyapatite) matrix, are located adjacent to or within osteoid tissue, and arise from the transformation of a preosteoblast cell increased osteoblast differentiation