Queried GO terms:

  idGO:0030901   Detailed information
  namemidbrain development
  namespacebiological_process
  def"The process whose specific outcome is the progression of the midbrain over time, from its formation to the mature structure. The midbrain is the middle division of the three primary divisions of the developing chordate brain or the corresponding part of the adult brain (in vertebrates, includes a ventral part containing the cerebral peduncles and a dorsal tectum containing the corpora quadrigemina and that surrounds the aqueduct of Sylvius connecting the third and fourth ventricles)." [http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=midbrain]
  synonym"mesencephalon development" EXACT []
  is_aGO:0048856 ! anatomical structure development
  relationshippart_of GO:0007420 ! brain development

Monarch genes with this GO terms:

  DPGLEAN01519

  DPGLEAN07088

  DPGLEAN12056