Neck formation and growth. MAIN TOPOGRAPHIC REGIONS IN NECK. ANATOMICAL BACKGROUND FOR URGENT LIFE SAVING PERFORMANCES. orofac Ivo Klepáček orofac Vymezení oblasti krku Extent of the neck region Sensitivní oblasti V1, V2, V3., plexus cervicalis orofac * * * orofac * * * * * orofac orofac orofac cranial middle caudal orofac orofac Clinical classification of neck lymph nodes orofac Clinical classification of neck lymphatic nodes: I - VI Nodi lymphatici out of regiones above: Perifacial, periparotic, retroauricular, suboccipital, retropharyngeal