Queried GO terms:

  idGO:0001890   Detailed information
  nameplacenta development
  namespacebiological_process
  def"The process whose specific outcome is the progression of the placenta over time, from its formation to the mature structure. The placenta is an organ of metabolic interchange between fetus and mother, partly of embryonic origin and partly of maternal origin." [GOC:add, ISBN:068340007X "Stedman's Medical Dictionary"]
  synonym"placental development" EXACT []
  synonym"placentation" EXACT [GOC:dph, GOC:tb]
  is_aGO:0048513 ! organ development

Monarch genes with this GO terms:

  DPGLEAN05435

  DPGLEAN16802