Queried GO terms:

  idGO:0033687   Detailed information
  nameosteoblast proliferation
  namespacebiological_process
  def"The multiplication or reproduction of osteoblasts, resulting in the expansion of an osteoblast cell population. An osteoblast is a bone-forming cell which secretes an extracellular matrix. Hydroxyapatite crystals are then deposited into the matrix to form bone." [GOC:mah]
  is_aGO:0008283 ! cell proliferation

No monarch genes has this GO term.