Lecture Notes - Carotid Sheath, Pharynx, & Larynx

1. Carotid sheath, cervical sympathetic trunk, cranial nerves exiting skull base
2. Distribution of external carotid artery
3. Pharynx
   • Definition and functions
   • Interior of pharynx (pharyngeal cavity)
     • Nasopharynx:
       • opening of auditory tube
       • torus tubarius
       • pharyngeal tonsil (adenoids)
       • pharyngeal recesses
       • salpingopharyngeal fold (salpingopharyngeus muscle)
     • Oropharynx:
       • palatine tonsil in palatine fossa
       • lingual tonsil
       • anatomy of palatine fossa, CN-IX
     • Laryngopharynx:
       • laryngeal inlet
       • piriform recesses
   • Musculature of pharynx:
     • Constrictors: superior, middle, inferior
     • Verticals:
       • stylopharyngeus
       • palatopharyngeus
       • salpingopharyngeus
   • Nerve and arterial supply
4. Larynx
   • Definition and functions
   • Interior of larynx (laryngeal cavity):
     • laryngeal inlet
     • vestibule
     • vestibular folds
     • ventricles
     • infraglottis
   • Quadrangular membrane, conus elasticus
   • Glottis, vocal folds, rima glottidis
   • Cartilages, membranes, joints
   • Intrinsic muscles of larynx
   • Nerve and arterial supply