Term
|
Definition
| the lining of the oral cavity |
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Term
| What is the oral mucosa composed of? |
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Definition
| stratified squamous epithelium over connective tissue core |
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Term
| Where is the oral mucosa? |
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Definition
| extends from lips to the oropharynx |
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Term
| What are the three types of oral mucosa? |
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Definition
1.Lining mucosa
2.Masticatory mucosa
3.Specialized mucosa |
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Term
| Is lining mucosa ketatinized? How does it look? |
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Definition
|
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Term
| Does the lining mucosa stretch? What else does it do? |
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Definition
| yes, it stretches and compresses |
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Term
| Are a lot of rete pegs found in oral mucosa? |
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Definition
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Term
| Where are the elastic fibers of the oral mucosa found? |
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Definition
| there are a lot, they are found in the lamina propria |
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Term
| What are the areas with lining mucosa? (4) |
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Definition
1.buccal and labial mucosa
2.floor of the mouth
3.ventral surface of the tongue
4.soft palate |
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|
Term
| What could loose rete pegs indicate? |
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Definition
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Term
| Is masticatory mucosa keratinized? What is its texture like? |
|
Definition
| yes, it has a firm and resilient texture |
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Term
| Does masticatory mucosa have a lot of rete pegs? What else does it have? |
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Definition
| numerous rete oegs and capillary papillae interdigitating to give a firm base |
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|
Term
| What is the submucosa like in masticatory mucosa? |
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Definition
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Term
| Where is masticatory mucosa found? |
|
Definition
1.on hard palate
2.attached gingiva
3.dorsal surface of tongue |
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Term
| What is specialized mucosa most associated with? |
|
Definition
| with taste buds ans tactile stimulation |
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Term
| What is specalized mucosa? |
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Definition
| discrete structures of epithelium and lamina propria in the form of the lingual papillae |
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Term
| How many layers is nonkeratinized epithelium? |
|
Definition
| 3 layers within the epithelium |
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Term
| What are the three layers of nonkeratinized epithelium? |
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Definition
1.stratum basale
2.stratum intermedium
3.stratum superficiale |
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|
Term
| What is the difference between parakeratinized epithelium and keratinized? |
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Definition
| in para, the top layer still has nucleus and in keratinized the top layer doesn't have a nucleus, just the sac |
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Term
| What is another name for the prickle layer? |
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Definition
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Term
| What are the 4 layers of parakeratinized or keratinized epithelium? |
|
Definition
1.stratum basale
2.stratum spinosum
3.stratum granulosum
4.stratum corneum |
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|
Term
| What is the cytoplasm of keratinized epithelium filled with? |
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Definition
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Term
| What is parakeratinized/keratinized epithelium function to do? |
|
Definition
| waterproof, opaque material serves to protect from physical, chemical, and microbial attack as well as dehydration and heat loss |
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Term
|
Definition
| the connective tissue below the epithelium |
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|
Term
| What are the two layers of the lamina propria? |
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Definition
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Term
| What is the papillary layer of the lamina propria contain? (3) |
|
Definition
1.loose connective tissue
2.blood vessels
3.nerves |
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|
Term
| What does the dense later of the lamina propria contain? |
|
Definition
| dense connective tissue with a lot of fibers |
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|
Term
| Is labial and buccal mucosa keratinized? |
|
Definition
|
|
Term
| What are two distinctive qualities of labial and buccal mucosa? |
|
Definition
1.contain elastic fibers
2.have an extensive vascular supply |
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|
Term
| What does the submucosa of labial and buccal mucosa have? (3) |
|
Definition
1.minor salivary glands
2.adipose tissue
3.muscle |
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|
Term
| What does labial and buccal mucosa look like? |
|
Definition
| opaque pink, shiny, moist |
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|
Term
| What are some things you may see on labial and buccal mucosa? |
|
Definition
| fordyce granules and pigmentation |
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|
Term
| Where is alveolar mucosa? |
|
Definition
| extends from attached gingiva to the muccobuccal fold |
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|
Term
| Is alveolar mucosa keratinized? |
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Definition
|
|
Term
| What are two qualities that alveolar mucosa has that labial and buccal mucosa also have? |
|
Definition
| elastic fibers and extensive vascular supply |
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Term
| What does alveolar mucosa have a loose attachment to? |
|
Definition
| submocosa with minor salivary glands |
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|
Term
| What does alveolar mucosa look like? |
|
Definition
| reddish-pink, shiny, moist, mobile |
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|
Term
| Is the floor of the mouth and ventral surface of the tongue keratinized? |
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Definition
|
|
Term
| What does the floor of the mouth and ventral side of the tongue have in common with the labial and buccal mucosa and alveolar mucosa? |
|
Definition
| has elastic fibers and extensive vascular supply |
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Term
| What does the floor of the mouth and ventral side of the tongue look like? |
|
Definition
| reddish-pink with blue vascular areas, shiny, moist, mobile |
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Term
| Where is the floor of the mouth attached? |
|
Definition
| loosely attached to submucosa |
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|
Term
| Where is the ventral side of the tongue attached? |
|
Definition
| firmly attached to muscle |
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|
Term
| Is the soft palate keratinized? |
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Definition
|
|
Term
| What is the elastic layer in the soft palate like? |
|
Definition
| dense elastic layer for mobility |
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|
Term
| What does the submucosa in the soft palate like? |
|
Definition
| has minor salivary glands and adipose tissue |
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|
Term
| What is the soft palate firmly attached to? |
|
Definition
|
|
Term
| What is the appearance of the soft palate? |
|
Definition
| deep pink with yellow hue, moist |
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|
Term
|
Definition
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|
Term
| Is masticatory mucosa/attached gingiva keratinized? |
|
Definition
|
|
Term
| What does the attached gingiva contain? |
|
Definition
| numerous tall, narrow CT papillae and rete pegs |
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|
Term
| What is the attached gingiva like? |
|
Definition
-opaque
-pale pink
-dull
-firm
-immobile |
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|
Term
| What does the lamina propria attach to in attached gingiva? |
|
Definition
| directly to the underlying bone |
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|
Term
| Is the hard palate keratinized? |
|
Definition
|
|
Term
| What does the middle rugae and raphe lamina propria attach to? |
|
Definition
|
|
Term
| what do lateral portions of the hard palate have? |
|
Definition
| a submucosa with asipose tissue and salivary glands |
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|
Term
| What does the hard palate look like? |
|
Definition
| pink in center with yellow hue to lateral portions |
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|
Term
| What type of mucosa is on the dorsal surface of the tongue? |
|
Definition
| masticatory and specialized mucosa |
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|
Term
| What are the 4 types of papillae found on the dorsal surface of the tongue? |
|
Definition
1.fungiform
2.fugiform
3.foliate
4.circumvallate |
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|
Term
| What so fungiform look like? WHat are they associated with? |
|
Definition
| look like mushrooms, associated with taste |
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|
Term
| What do filiform look like? What are they associated with? |
|
Definition
| connective tissues, used for tactile sensation on tongue |
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|
Term
| Where are foliate papilla found? Where are they associated with? |
|
Definition
| on the side of the tongue, associated with taste |
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|
Term
| What are circumvallate associated with? What type of saliva do they excrete? |
|
Definition
| taste, only serous saliva |
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Term
|
Definition
| pigmentation that helps protect skin |
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|
Term
|
Definition
|
|
Term
| Where are melanocytes located? |
|
Definition
| between epithelial cells in basal layer |
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|
Term
| What do melanocytes produce? What do these store? |
|
Definition
| produce melanosomes which store melanin pigment |
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|
Term
| Where are melanosomes injected into? |
|
Definition
|
|
Term
| What is pigmentation of the oral mucosa controlled by? |
|
Definition
|
|
Term
| Are the renewal rates higher for oral epithelium or skin? |
|
Definition
|
|
Term
| What is the renewal rate for skin? |
|
Definition
|
|
Term
| What is the renewal rate for the hard palate? |
|
Definition
|
|
Term
| What is the renewal rate for the floor of the mouth? |
|
Definition
|
|
Term
| What is the renewal rate for buccal/labial mucosa? |
|
Definition
|
|
Term
| What is the renewal rate for taste buds/attached gingiva? |
|
Definition
|
|
Term
| What is the renewal rate for junctional epithelium? |
|
Definition
|
|
Term
|
Definition
| fibrin and WBC in the area |
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|
Term
| What is granulation tissue formed from? |
|
Definition
| fibroblasts and blood vessels in lamina propria |
|
|
Term
| What migrates under a blood clot? |
|
Definition
|
|
Term
| What replaces granulation tissue? |
|
Definition
|
|
Term
| What are two things in the mouth that reduce with age? |
|
Definition
|
|
Term
| What else do we see more of in aging? |
|
Definition
| more lingual varicosities(like varicose veins on tongue) |
|
|
Term
| Do we see more fordyce granules in older or younger people? |
|
Definition
|
|
Term
| As one ages, does the mitotic rate of epithelium increase or decrease? |
|
Definition
| decrease, takes longer to heal |
|
|
Term
| What happens to masticatory muscles as one ages? |
|
Definition
|
|
Term
| What happens to collagen fibers as you age? |
|
Definition
| they thicken and are arranged in dense bundles |
|
|
Term
| What happens to fibroblasts as you age? |
|
Definition
| they decrease and are less active |
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