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15 Cards in this Set

  • Front
  • Back
superior opening of the pharynx
nasopharynx - at the base of the skull
inferior opening of the pharynx
-level of the cricoid cartilage of larynx and C6 vert.
three parts of the pharynx
-nasopharynx (upper part, posterior to the nose)
-oropharynx (middle part, posterior to the mouth)
-laryngopharynx (inferior part, posterior to the larynx)
5 layers of the pharyngeal wall
-mucus membrane
-submucosa
-pharyngobasilar fascia
-skeletal muscle layer
-buccopharyngeal fascia
retropharyngeal space location
between buccopharyngeal fascia and prevertebral fascia layer
layer of the pharyngeal wall that contains the pharyngeal plexus
buccopharyngeal fascia
all muscles that insert by blending with their fellow from the other side at the pharyngeal raphae at the posterior midline
pharyngeal muscles
pharyngeal constrictor muscles action
constrict the wall of the pharynx during swallowing
superior constrictor origin, innervation
-originates from the pterygoid hamulus, pterygomandibular raphae and mandible
-additional attachment at pharyngeal tubercle of the occipital bone
-innervated by the pharyngeal plexus
middle constrictor origin, innervation
-originates from the hyoid bone
-innervated by the pharyngeal plexus
inferior constrictor origin, innervation
-originates from the thyroid cartilage
-blends with the esophagus inferiorly
-innervated by the pharyngeal plexus
stylopharyngeus origin, insertion, innervation
-originates from the styloid process
-passes between the superior and middle constrictors to insert on the thyroid cartilage
-innervated by CN IX
location of pharyngeal tonsils
-located in the nasopharynx
pharyngeal plexus recieves nerve fibers from
CN IX, X, XI and sympathetic nerves
sensory innervation to the pharynx
CN IX