Queried GO terms:

  idGO:0072074   Detailed information
  namekidney mesenchyme development
  def"The biological process whose specific outcome is the progression of a kidney mesenchyme from an initial condition to its mature state. This process begins with the formation of kidney mesenchyme and ends with the mature structure. Kidney mesenchyme is the tissue made up of loosely connected mesenchymal cells in the kidney." [GOC:mtg_kidney_jan10]
  is_aGO:0060485 ! mesenchyme development
  relationshippart_of GO:0001822 ! kidney development

No monarch genes has this GO term.