Queried GO terms:

  idGO:0072372   Detailed information
  nameprimary cilium
  def"A cilium found on many different cell types that is typically present in a single copy per cell. A primary cilium may have a variable array of axonemal microtubules and may or may not contain molecular motors." [GOC:curators, PMID:17009929, PMID:20144998]
  is_aGO:0005929 ! cilium

No monarch genes has this GO term.