Table 1 Anatomic head and neck regions

nose and paranasal sinus

main nasal cavity

vestibule of the nose

maxillary sinus

oral cavity

gingiva

hard palate

buccal mucosa

floor of the mouth

ventral 2/3 of the tongue

oral vestibule

lips

salivary glands

parotid gland

submandibular gland

sublingual gland

nasopharynx

posterior wall of the pharynx beginning at the threshold between the soft and hard palatine up to the base of the skull

nasal surface of the soft palatine

palatine tonsil

oropharynx

pharyngeal tonsil

arcus palatinus

root of the tongue

vallecula epiglottica

posterior wall of the oropharynx

oral surface of the soft palatine

uvula

hypopharynx

posterior wall of the pharynx between the upper border of the epiglottis and the esophagus

post cricoid region

sinus piriformis

larynx

cricoid cartilage

thyroid cartilage

cartilages arytaenoideae

epiglottis