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| Epithelium, Basal Lamina, Loose Connective Tissue |
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Definition
| Name the three parts of the oral mucosa: |
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| - the mucosa of the palate |
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| - the mucosa of the tongue |
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Term
| Nonkeratinized epithelium of the oral cavity |
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Definition
- all its cells have nuclei in all its layers - all of it is alive |
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| Parakeratinized Epithelium of the oral cavity |
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Definition
| -some of its cells have nuclei, and some are anucleate |
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| Otrhokeratinized epithelium of the oral cavity |
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Definition
| - all of its cells are anucleate, and they are all dead |
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Definition
The soft palate has a ______ mucosa, but the hard palate has a __________ mucosa. |
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| Nonkeratinized Epithelium |
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Definition
If the labial mucosa is classified as a lining mucosa, what type of epithelium does it have? |
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Definition
| - There are salivary glands in the lamina propria of the labial mucosa. What is the classification of these salivary glands? |
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Mixed Seromucous Gland -some secrete proteins and some mucins |
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Definition
| - What do the salivary glands in the labial mucosa secrete? |
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| - Which lingual papillaw does not have any taste buds? |
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| - Which lingual papillae would be seen as small red dots on the tongue? |
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| - Which lingual papillae are the largest in the oral cavity? |
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Definition
| -Which lingual papillae are associated with the serous gland of von Ebner? |
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- the space between the lips and the teeth - the area outside of the teeth |
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Definition
| - the area inside of the teeth |
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Definition
| - the ability to hold food and saliva in the mouth without drooling |
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| startified squamous epithelium |
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Definition
Epithelium with basal lamina |
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| - cell with similar cell-cell and cell-extracellular matrix proteins and adhesion mechanisms as epidermis |
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Definition
| - hold keratinocytes together |
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Definition
| - attach keratinocytes to the basal lamina |
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- morphologically similar to epidermal melanocytes -produce and secrete melanin |
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Term
| Nonkeratinized epithelium |
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Definition
- cells have nuclei in all layers on the epithelium (type of stratified squamous epithelium) |
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Term
| Parakeratinized epithelium |
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Definition
| - in the upper layers of the epithelium, some cells have their nuclei and some cells are anucleate |
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Term
| Orthokeratinized epithelium |
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Definition
- epithelium that is the most similar to the skin. -the upper layers consist of anucleate cells filled with thick bundles of keratin proteins. |
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Definition
| - cells and extracellular matrix containing collagen type I and elastic fibers |
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- a layer of connective tissue underneath the lamina propria - attached to muscle |
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- has nonkeratinized startified squamous epithelium and a protective and nonspecific defence function |
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- has parakeratinized or orthokeratinized startified squamous epithelium - functions in protection against frictional and shearing forces (forces of chewing) |
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Definition
- has papillaw, taste buds, and keratinized stratified squamous epithelium and is specialized for the sense of taste - on dorsal side of tongue |
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- lined with masticatory mucosa - the lamina propria is attached to the bones of the maxilla |
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- has a lining mucosa -nonkeratinized stratified squaous epithelium -the submucosa contains palatine minor salivary glands. -these glands are all mucous secreting |
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- juncion of dry outer sin and moist inner oral mucosa - keratinized epithelium with deep rete pegs - doesnt have any glands |
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- a moist epithelium classified as a lining mucosa |
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Term
| serous glands of von Ebner |
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Definition
| -serous secreting minor salivary glands associated specifically with cincumvallate papillae |
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- most numerous type of papillae on the dorsal surface of the anterior 2/3 of the tongue -NO taste buds -function is mainly mechanical - no gland |
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- mushroom shaped papillae interspaced between filliform -has some taste buds on surface -no gland |
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- ridiges on the lateral margins of the posterior part of the tongue - taste buds present - no gland |
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- located just anterior to the sulcus terminals -largest papillae - has 100s of taste buds - function in taste sensation - has a gland known as of von Ebner |
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posterior 1/3 of the tongue |
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Definition
- no lingual papillae or taste buds - lingual minor salivary glands |
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Term
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Definition
- the lamina propria directly attached to the muscles of the tongue |
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