Oral Mucosa/Tongue/Salivary glands Flashcards
The oral mucosa is composed of?
Stratified squamous epithelial layer and Connective tissue lamina propria
The oral mucosa includes the?
- Masticatory
- Lining
- Specialized mucosal tissues
The masticatory mucosa tissues is?
Keratinized
The masticatory mucosa tissue protects?
The attached gingiva (ends at the free gingiva) and hard palate.
The lining mucosa is?
Not keratinized
The lining mucosa includes what?
- Alveolar
- Vestibular
- Buccal mucosa
- Floor of the mouth
The specialized mucosa refers to the?
Papillae of the tongue
The blood supply to the tongue is the?
Lingual artery
What do the intrinsic muscles of the tongue do?
Determine the shape of the tongue
What do the extrinsic muscles of the tongue do?
Control the position of the tongue
Which CN is the motor control of the tongue?
XII Hypoglossal
What are the CN’s of the tongue?
- XII Hypoglossal
- V3 Trigeminal
- VII Facial
- IX Glossopharyngeal
Which CN gives taste, sensory to the POSTERIOR 1/3?
IX Glossopharyngeal Nevre
Which CN gives taste to the ANTERIOR 2/3 of the tongue?
VII Facial Nerve
Which CN gives touch/pain to the ANTERIOR 2/3 of the tongue?
V Trigeminal Nerve
Which CN gives touch/pain to the POSTERIOR 1/3 of the tongue?
IX Glossopharyngeal Nerve
Most numerous, No taste buds, White in color and tactile sensitivity, Keratinized, gives the tongue its velvet appearance, Gives its appearance of “hairy tongue and Geographic tongue” is what papillae??
Filiform
Appear as red bumps, contain taste buds, resemble mushrooms, Fewer but larger papillae is?
Fungiform
Folds of the posterior, lateral border and contains taste buds are what papillae?
Foliate
The groove in the center of the tongue is known as the?
Median Sulcus
8-12 in number, Anterior the sulcus terminals, contains taste buds is what papillae?
Circumuvallae
Which papillae contains the Glands of Von Ebner (minor salivary glands, Serous)?
Circumuvallae
What is the V-shaped line separating the anterior 2/3 and posterior 1/3 of the tongue?
The sulcus terminalis
Which foramen is found at the center or point of the sulcus terminalis?
The foramen CAECUM
What are the 3 major Salivary glands?
- Submandibular
- Sublingual
- Parotid
Which gland contains amylase to break down starches?
Parotid
Which gland produces 65% of saliva?
Submandibular
Which gland produces thick salvia mostly mucous?
Sublingual
The flow of saliva is stimulated by which nervous system?
Parasympathetic
Which Extrinsic muscle of the tongue is a retractor, which pulls the tongue back?
Styloglossus (located behind the tongue)
Which extrinsic muscle of the tongue is a depressor, which lowers the tongue?
Hypoglossus (located below the tongue)
Which extrinsic muscle of the tongue is a depressor or protractor, which protrudes, retrudes or depression of the tongue?
Geniglossus (located In front of the tongue)
The extrinsic muscle Palatoglossus is located where?
Above the tongue
Submandibular has which duct?
Whartons duct
The Whartons duct empties where?
under the tongue
The whartons duct is located near?
The Stafne’s Duct near the angle/body of the mandible
Sublingual has which duct?
Rivinus duct which is open at the sublingual fold (Bartholins duct)
Which saliva gland produces 10% of salvia?
Sublingual
Which two salvia glands has mixed secretion?
- Sublingual
- Submandibular
The Partiod gland has which duct?
Stenson’s Duct
The Stenson’s duct empties?
opposite of the max 3rd molar
