Term Name:	anterior head segmentation
Synonyms:	procephalic segmentation
Definition:	Partitioning the insect head anlage into procephalic (labral, (ocular), antennal and intercalary) segments. The procephalic segments lie anterior to the gnathal (posterior head) segments, and are pattered by different segmentation gene cascades to the abdominal, thoracic and posterior head (gnathal) segments.
Ontology:	GO: Biological Process [GO:0035288]    QuickGO    AmiGO