Oral Cavity Flashcards
3 functions of mouth
Chewing food, deglutition (swallowing), phonation (speech)
Superior alveolar nerves (cn __) go to __ teeth
V2, maxillary
Inferior alveolar nerve cn __ goes to __ teeth
V3, mandibular
6 arteries to oral cavity
Maxillary, lingual, facial, ext carotid, descending palatine, inferior alveolar
Hard palate composed of
Palatine process of maxilla
And palatine bone, horizontal plate
Incisive foramen on __ __ of __
Palatine process, maxilla
Greater and lesser palatine foramina on __ __, __ __
Palatine bone, horizontal plate
Soft palate composed of 5
Uvula, levator veli palatini, tensor veli palatini, palatoglossal arch, palatopharyngral arch
Tensor veli palatini innervated by
V3 trigeminal
Nasopalatine nerve cn ___ travels through what.
___ function to anterior part of __ __ including anterior __ __
V2, sensory, hard palate, 6 teeth
Greater palatine artery and nerve cn __ supplies most of what
Goes through what
V2, hard palate
Greater palatine foramen
Lesser palatine nerve and artery cn __ supplies what.
Soft palate, V2
Levator veli palatini: cn __. __ soft palate, closes __ from __ and __ cavities
X. Elevates. Oropharynx. Nasopharynx and nasal
Tensor veli palatini: cn __. Tenses __ __ in order for __ __ __ to raise it
V3, soft palate, levator veli palatini
Palatoglossus: cn __. Forms the __ arch. __ __ tongue and draws __ __ onto tongue
X, palatoglossal
Elevates posterior, soft palate
Palatopharyngius: cn __. Forms the __ arch. Elevates __ during __. Prevents food from entering __
X, palatopharyngeal.
Pharynx, swallowing
Nasopharynx
Damage to __ plexus, cn __ causes deviated uvula. Deviates __ from affected side due to unopposed action of what
Pharyngeal, X. Away, levator veli palatini
3 tongue functions
Mastication
Deglutition (swallowing)
Articulation (speech)
Apex is what of tongue. Root is what
Tip. Inferior, cant see
Tongue: body in what. Root called what. What vein underneath
Oral cavity, oropharynx, deep lingual
Tongue has openings from what
Sublingual gland and submandibular gland
Genioglossus: cn __. __ tongue and creates __ down middle. From __ to __, __ innervated
XII, protrudes, furrow
Genium to mandible. Bilaterally
Hypoglossus: cn __. ___ tongue. From __ __ to tongue
XII, depresses
Hyoid bone
Styloglossus: cn __. __ and __ tongue. From what to tongue
XII, elevates and retracts. Styloid process
Palatoglossus: cn __. ___ tongue. From __ to tongue
X, Elevates, palate
What CN nerve injury causes tongue deviation. Deviates to which side
Hypoglossal
Affected
Which nerve supplies sensation to ant 2/3 tongue
V3, lingual
Which nerve supplies taste to ant 2/3 tongue
VII, corda tympani
Which nerve provides sensation and taste to post 1/3 tongue
IX
Which nerve is motor to palatoglossus, sensory to palatine taste buds and small area ant to epiglottis
CN X
Which nerve innervates motor to genioglossus, hyoglossus, and styloglossus
CN XII motor
Blood supply of tongue
Lingual artery and deep lingual vein
Where SL drugs absorbed
Deep lingual vein
Parotid gland: ___ region. Duct empties into __ __ adjacent to __ __ __
Infratemporal. Oral vestibule. Second maxillary molar
Parotid gland
Blood supply
Pre synaptic PNS fibers from CN __ to __ ganglion
SNS fibers from __ ___ __ plexus
Autonomics conveyed from __ ganglion to parotid gland by ___ nerve
Superficial temporal artery
IX, otic
External carotid nerve
Otic, auriculotemporal
Submandibular glands Lie along body of \_\_ Ducts open lateral to \_\_ \_\_ Saliva may spray orifice if tongue \_\_ and \_\_ Blood supply:
Mandible
Lingual frenulum
Elevated and retracted
Lingual artery
Submandibular gland
Presynaptic PNS fibers from cn __ to ___ ganglion (conveyed to __ nerve through __ __)
Sns fibers from __ __ __ plexus
VII, submandibular, lingual, chorda tympani
External carotid nerve
Sublingual glands
Where
__ sublingual ducts
Blood supply
Floor of mouth
Numerous
Lingual and facial arteries
Sublingual glands
Presynaptic PNS fibers from cn __ to __ ganglion
SNS fibers from __ __ __ plexus
VII, submandibular
External carotid nerve
