Pharynx Flashcards
What are the three parts of the pharynx
Nasopharynx
Oropharynx
Laryngopharynx
Splits nasopharynx from oropharynx
Soft palalte
Splits Oropharynx from laryngopharynx
Epiglottis
What are the three external circular muscles
Superior, middle, and inferior constrictors
Internal longitudinal layer
palatopharyngeus
stylopharyngeus
Salpingopharyngeus
Just below the tracheal cartilage and above the tracheal cartilage
Cricoid Cartilage
Innervation to all the outer circular muscles is from what nerve
Pharyngeal branch of vagus
The action for all the outer circular muscle s is ____
Constrict the pharynx
Swallowing/degultition
The space located between the pharynx< anteriorly, and prevertebral fascia of the bodies of the cervical vertebrae, posteriorly
Retropharyngeal space
What kind of information runs through the glossopharyngeal nerve
Branchial motor Visceral motor Visceral Sensory General sensory Special sensory
Information to parotid gland, otic ganglion, carotid sinus and body
Visceral motor from glossopharyngeal N.
Information from the carotid sinus and body
Visceral sensory via glossopharyngeal N
Information from posterior 1/3 of the tongue, upper pharynx, and middle ear
General Sensory via glossopharyngeal N.
Information to the stylopharyngeus M.
Branchial motor via glossopharyngeal N.
Taste from the posterior 1/3rd of the tongue
Special Sensory via the glossopharyngeal N.
What kind of information runs through the vagus N>
Branchial motor Visceral Motor Visceral Sensory General Sensory Special Sensory
Information to almost all of the pharynx muscles and to all of the larynx muscles
Branchial motor via the vegas N>
To heart and smooth muscles of the viscera in the thoracic and most of the abdominal cavity
Visceral motor via the Vagus N.
Information from the larynx
General Sensory via the Vagus N.
Taste from the epiglottis
Special sensory via the vagus N.
What are the three branches of the vagus N.
Pharyngeal branch
Superior Layngeal N
Reccurent Laryngeal N.
Reccurent Laryngeal N. loops around what structures
L. Aorta
R. Subclavian A.
Branchial motor to all muscles of the larynx except cricothyroid
Recurrent Laryngeal N.
The two branches from superior laryngeal N.
Internal Laryngeal N.
External Laryngeal N.
Branchial motor to the cricothyroid
External Laryngeal N.
Sensory info from the larynx above the vocal fold
Internal laryngeal N.
Vegas provides motor information to all of the pharynx muscles except?
Stylopharyngeus m. and that the tensor veli palatini
Tensor veli palatini is innervated by what nerve
V3 of trigeminal N.