The dorsal portion of the first pharyngeal arch, comprising the upper jaw[ZFIN,VHOG]. [ ]

Synonyms: dorsal visceral arch 1 upper pharyngeal jaw

This is just here as a test because I lose it

Term information

database cross reference
  • VHOG:0000511
  • ZFA:0001272
  • TAO:0001272
  • EFO:0003659



has related synonym

dorsal mandibular arch

palatoquadrate arch

upper jaw

dorsal pharyngeal arch 1

dorsal visceral arch 1

upper pharyngeal jaw

homology notes

Subsequent vertebrate evolution has also involved major alterations to the pharynx; perhaps the most notable occurred with the evolution of the gnathostomes. This involved substantial modifications to the most anterior pharyngeal segments, with the jaw forming from the first, anterior, pharyngeal segment, while the second formed its supporting apparatus, the hyoid.[well established][VHOG]