The pharynx Flashcards
what parts is pharynx divided into?
- oropharynx
- nasopharynx
- laryngopharynx
from where to where does pharynx extend?
from base of skull–>c-6
whats the fascia around pharynx?
pharyngobasilar fascia, forms the wall of non.muscular pharynx
what tonsils can be found in nasopharynx?
the pharyngeal tonsils
what tonsilis can be found in oropharynx?
the palatine tonsils,
what are the borders and what can be found in tonsillar bed?
the palatine tonsils
ant: palatoglossal arch
post: palatopharyngeal arch
how is pharynx connected to thenlarynx?
by the inlet of larynx
the superior constrictors of pharynx?
- pterygopharyngeal part
- buccopharungeal
- mylopharyngeal
- glossopharyngeal
the middle constrictors of pharynx?
- chondropharyngeal
- ceratopharyngeal
The inferior constrictors of pharynx?
- thyropharyngeal
- cricopharyngeal ( forms upper esophageal sphincter)
where does all the constrictors of pharynx insert?
insert post in the midline on median raphe of pharynx and pharyngeal tubercle.
elevators and their origin + insertion of pharynx?
- stylopharyngeous ( styloid process–>thyroid cartilage)
- palatopharyngeous ( hard palate–> thyroid cartilage)
- salipingopharyngeal m. ( cartilaginous part eustachian tube–> palatopharyngeous.
what fascia surounds the muscular layer of pharynx?
the buccopharyngeal fascia.
arterial supply of pharynx?
upper part: facial and maxillary a.
lower part: ascending pharyngeal a. < external carotid a.
motor innervation of pharynx?
Glossopharyngeal IX
- stylopharynhgeous
- superior constrictor
- upper half of middle constrictor
Vagus X
- palatopharyngeous
- salpingopharyngeous
- lower half of middle constrictor
