804
UNIT 4
Maintenance of the Body
22
Sphenoid sinus
Frontal sinus
Pharynx
Nasopharynx
Oropharynx
Laryngopharynx
Nasal meatuses
(superior, middle,
and inferior)
Nasopharynx
Uvula
Palatine tonsil
Isthmus of the
fauces
Posterior nasal
aperture
Opening of
pharyngotympanic
tube
Pharyngeal tonsil
Oropharynx
Laryngopharynx
Vocal fold
Esophagus
(b) Illustration
(c) Regions of the pharynx
Nasal conchae
(superior, middle
and inferior)
Nasal vestibule
Nostril
Nasal cavity
Hard palate
Soft palate
Tongue
Lingual tonsil
Epiglottis
Hyoid bone
Larynx
Thyroid cartilage
Vestibular fold
Cricoid cartilage
Thyroid gland
Trachea
Cribriform plate
of ethmoid bone
Olfactory
epithelium
Olfactory nerves
Mucosa
of pharynx
Tubal
tonsil
Pharyngotympanic
(auditory) tube
Nasopharynx
(a) Photograph
Middle nasal concha
and middle nasal meatus
Inferior nasal concha
and inferior nasal meatus
Hard palate
Soft palate
Uvula
Superior nasal concha
and superior nasal meatus
Figure 22.3
The upper respiratory tract.
Midsagittal section of the head and neck. (For a
related image, see
A Brief Atlas of the Human Body
, Figure 47.)
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