Pharynx & Esophagus Flashcards
What is the Latin name of the isthmus of fauces?
Isthmus faucium
Name the important item found between the palatoglossal and palatopharyngeal arches.
Palatine tonssil
List the muscles of the palate.
Musculus uvulae, tensor veli palatini, levator veli palatini, palatopharyngeus and palatoglossus muscles
What are the two main parts of the oral cavity?
Oral vestibule
Oral cavity proper
How many deciduous teeth are there?
20
baby teeth
How many permanent teeth are there?
32
Name the parts of the tongue.
Radix linguae
Corpus linguae
Apex linguae
root, body, apex
List the extrinsic muscles of the tongue.
Genioglossus m.
Hyoglossus m.
Styloglossus m.
Palatoglossus m.
List the intrinsic muscles of the tongue.
Superior longitudinal m.
Inferior longitudinal m.
Transverse m.
Vertical m.
Name the artery that supplies the tongue, and its source artery.
Lingual artery, source: External carotid artery
Which nerve supplies the intrinsic muscles of the tongue?
Hypoglossal n. (CNXII)
Which nerve is responsible for the general and taste sensation of the anterior two-thirds of
the tongue?
Lingual n. for sensation (from mandibular branch of Trigeminal nerve CV)
Chorda tympani (from Facial nerve)
Which muscle forms the greater part of the oral diaphragm?
Mylohyoid muscle
Where does the parotid duct open into the oral cavity?
Parotid duct (Stenson duct) enters the oral cavity through a small orifice opposite the second maxillary molar.
Second Maxillary Molar is the answer
Which muscle is pierced by the parotid duct?
Buccinator m.
List the items of the Waldeyer’s lymphatic ring.
Pharyngeal tonsil
Tubal tonsil
Palatine tonsil
Lingual tonsil
List the major parts of the pharynx
Nasopharynx
Oropharynx
Laryngopharynx
Where does the nasal cavity communicate with the pharynx?
Choanae (posterior nares)
Where is the pharyngeal tonsil situated?
The posterior wall of the nasopharynx, near the opening of the auditory tube (aka Eustachian tube)
Nasopharynx for short
Which part of the pharynx does the Eustachian tube open into?
Nasopharynx
List the pharyngeal levators.
Stylopharyngeus m.
Salpingopharyngeus m.
Palatopharyngeus m.
List the pharyngeal constrictors.
Superior constrictor m.
Middle constrictor m.
Inferior constrictor m.
Name the nerve which innervates the muscles of the pharynx.
Vagus nerve and Glassopharyngeal nerve (innervates stylopharyngeus)
Which nerve runs in the oesophagotracheal groove?
Recurrent laryngeal n. (from Vagus)
Name the physiological constrictions of the oesophagus.
1) Cervical/Cricopharyngeal Constriction: C5/6
2) Thoracic/Aortic Constriction: T4
2) Abdominal/Diaphragmatic Hiatus Constriction: T10/11
Angustia cricoidea
Angustia aortica
Angustia diaphragmatica
