abnormal mesenchymal cell proliferation involved in lung development +
abnormal myoblast proliferation +
abnormal neural crest cell proliferation +
abnormal neuron proliferation +
abnormal organ of Corti supporting cell proliferation
abnormal osteoblast apoptosis +
abnormal osteoblast proliferation +
anomaly in the ability of osteoblasts to undergo expansion by cell division; osteoblasts are 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