G10 Oral Cavity Flashcards
The posterior border of the oral cavity is the:
Oropharyngeal isthmus
The lip coloration is because of superficially present _____
Vessels
The ____ arch is the posterior extent of oral cavity proper
Anterior Arch
The tensor veli palatini m is found between _____ and _____ and it tenses the soft palate.
Medial pterygoid plate
Lateral pterygoid plate
Levator veli palatini is ____ and ____ to tensor veli palatini.
Posterior
Medial
The _____ descends thru the palatine canal and gives rise to Greater and Lesser Palatine aa.
Greater palatine a supplies _____ and passes thru _____.
Lesser palatine supplies ____ and passes thru ____.
Descending palatine a.
Anterior palate
Greater Palatine Foramen
Posterior Palate
Lesser palatine foramen
Tensor Veli Palatini m is innervated by ____
Levator veli palatini, palatoglossus, palatopharyngeus, musculus uvula, salpingopharyngeus mm are all innervated by _____ via _____
CN V3 (mandibular)
CN X (Vagus) Pharyngeal plexus
CN ____ is vulnerable to injury during Tonsillectomy because it lies on the lateral pharyngeal wall.
IX
The ____ gland has numerous openings but the ____ gland has one opening into the oral cavity.
Sublingual
Submandibular
The submandibular duct is also known as ____ duct. It runs _____ to the sublingual gland
Wharton’s
Medial
For the head, all preganglionic sympathetic fibers are located in the _____;
All postganglionic sympathetic are located in the _____
T1 Lateral Horn
Superior Cervical Ganglion
CN XII (Hypoglossal) provides ____. But it does not innervate this specific structure:
Motor innervation to tongue
Palatoglossus m. (Vagus innervates)
CN IX (glossopharyngeal) provides ____
Sensory to posterior tongue
These paired mm fused in midline protrude the tongue:
Paralysis of CN XII (unilateral) causes deviation of tongue toward paralyzed side.
Genioglossus m.
The Lingual artery supplies ____ structures of the oral cavity and has 3 branches:
Deep
Dorsal Lingual
Deep Lingual
Sublingual
Tongue Special Sensory Innervation:
- VII (Taste via chorda tympani) anterior 2/3
- Glossopharyngeal (IX) taste posterior 1/3
- Vagus (X) Taste for root of tongue/epiglottis
Tongue General Sensory
- Lingual n (CN V3) sensory anterior 2/3
- Glossopharyngeal (CN IX) Sensory posterior 1/3
- Vagus (X) root of tongue and epiglottis sensory
The primary epithelium of the oral cavity is _____
Nonkeratinized stratified squamous epithelium
Certain areas of the oral cavity have _____ epithelium (specifically the hard palate, gingiva, Dorsum of tongue) that is called _____ mucosa
Parakeratinized stratified squamous (special keratinized)
Masticatory
The ___ shape of the filiform papilla are pointed ____ (to collect the ice cream from the cone). They have no taste function.
Conical
Posteriorly
Fungiform papilla have taste buds and are ____ keratinized
Lightly
Foliate papilla have taste buds, are found on the ____ tongue, but are only found on ____
Lateral
Children
Vallate (Circumvallate) papilla are ____ glands the produce ____ to fill the moats around them. They are also filled with taste buds around the moat.
Lingual
Serous/Salivary secretion
Polarized, protein secreting, pyramidal cells in salivary glands. Secretory (zymogen) granules. Basophilic cytoplasm.
Serous Cells
