Queried GO terms:

  idGO:0035287   Detailed information
  namehead segmentation
  def"Partitioning the head anlage into a fixed number of segmental units. The number of segments composing the insect head has long been a subject of debate, but it is generally agreed that there are 6 or 7 segments. From anterior to posterior the head segments are the procephalic segments (labral, (ocular), antennal and intercalary) and the gnathal segments (mandibular, maxillary and labial)." [PMID:10477305, PMID:7915837]
  commentSee also the fly_anatomy.ontology term 'head segment ; FBbt:00000006' and its children.
  is_aGO:0007389 ! pattern specification process
  relationshippart_of GO:0007350 ! blastoderm segmentation

Monarch genes with this GO terms: