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Anatomy week 10
Oral Mucosa
| Question | Answer |
|---|---|
| List the 3 main types of oral mucosa in the oral cavity: | 1.Lining Mucosa 2.Masticatory Mucosa 3.Specialized Mucosa |
| List the 3 types of Stratified Squamous Epithelium of the Oral Mucosa: | 1.Nonkeratinized 2.Orthokeratinized 3. Parakeratinized |
| What 2 types of oral mucosa are involved with lingual papillae? | 1.Masticatory 2.Specialized |
| List the 4 types of lingual papillae: | 1.Filiform 2.Fungiform 3.Foliate 4.Circumvallate |
| What is the only lingual papillae without taste buds? | Filiform |
| How many days does it take for taste bud turnover? | 10days |
| (T/F) Nonkeratinized turnover is faster than keratinized tissue. | True |
| What is the most common cell in the lamina propria? | Fibroblasts |
| What is the most common fiber of the lamina propria? | Collagen Fiber |
| What 2 tissues are separated by the basement membrane? | 1.Epithelial Tissue 2.Connective Tissue |
| What is melanin and list it’s histology? | Nonkeratinized Pigmentation |
| What are Langerhans cells? | White Blood Cells |
| Define Hyperkeratosis: | Epithelial tissue with excessive production of keratin |
| List 2 types of keratinized epithelium: | 1.Orthokeratinized 2.Parakeratinized |
| What is Oral Mucosa: | Stratified Squamous Epithelium |
| List the 6 locations of Lining Mucosa: | 1.Buccal mucosa 2.Labial mucosa 3.Alveolar mucosa 4.Floor of the mouth 5.Ventral tongue surface 6.Soft palate |
| List 2 histology facts about Lining Mucosa: | 1.Nonkeratinized 2.It has 3-layers of tissue |
| What are the 3 oral epithelium tissue layers of Lining Mucosa? | 1.Basal (base next to the basement) 2.Intermediate 3.Superficial |
| What are the what are the 2 Connective tissues of Lining Mucosa? | 1.Lamina Propria (dense fibrous and papillary layer) 2.Submucosa |
| List 5 clinical appearance characteristics of Lining Mucosa: | 1.Pink or Red 2.Shiny 3.Moist 4.Stretchable 5.Compressible (acting as a cushion) |
| List 5 clinical appearance characteristics of Masticatory Mucosa: | 1.Coral Pink 2.Immobline 3.Rubbery surface texture 4.Resilient 5.Serves as a firm base |
| List 3 locations of Masticatory Mucosa and also list the histology of the area: | 1.Attached gingiva (mostly parakeratinized some ortho) 2.Hard Palate (Orthokeratinized) 3.Dorsal of the tongue (both ortho and para) |
| List 2 histology facts about Masticatory Mucosa: | 1.Keratinized 2.It has pronounced Rete Ridges |
| What is the clinical appearance of Specialized Mucosa? | 1. Lingual Papilla |
| Where are the 2 locations of Specialized Mucosa? | 1.Dorsal of the tongue 2.Lateral of the tongue |
| List 2 types of taste bud cells: | 1.Taste Cells 2.Supporting Cells |
| What is the histology of Specialized Mucosa? | Keratinized (this means both ortho and para) |
| What Glands are associated with Circomvallate taste buds? | Von Ebner’s Glands |
| What are Von Ebner’s Glands? | Salivary glands |
| What is the function of Von Ebner’s gland? | Washes out testable substances from the area of the taste buds |
| What is the most common form of oral mucosa in the oral cavity? | Lining Mucosa |
| List 5 facts of Orthokerationized stratified squamous epithelium: | 1.No Nuclei ( the O in Ortho = 0 for 0 nucleus) 2.No Submucosa 3.Prickle layer makes up the bulk 4.Masticatory (hard palate) 5.Sepcialized (dorsal of the tongue) |
| List 3 facts of Parakeratinized stratified squamous epithelium: | 1.No Submucosa 2.Mainly Masticatory 3.Some ortho and specialized |
| Define Keratin: | A waterproof protein |
| List 2 fibers of the Lamina Propria of the Oral Mucosa: | 1.Collagen fibers 2.Elastic fibers |
| What is the main fiber of the Lamina Propria? | Collagen fibers |
| List the 2 layers of the Lamina propria: | 1.Papillary layer 2.Dense layer |
| What is the main function of elastic fibers: | increased mobility |
| List the 4 epithelial layers of Orthokeratinized Stratified Squamous Epithelium: | 1.Basal layer (base next to the basement) 2.Prickle 3.Granular 4.Keratin-NO Nuclei |
| List the 4 epithelial layers of Paraderatinized Stratified Squamous Epithelium: | 1.Basal layer (base next to the basement) 2.Prickle 3.Granular 4.Keratin-Including Nuclei |
| List 1 layer of the Otho. & Para. Connective tissue: | Lamina Propria-dense fibrous and papillary layer (No submucosa) |
| What is another name for Prickle Cells? | Stratum Spinosum |
| Define Stratum: | Layer |
| Define the structure of Basal Cells: | Cuboidal |
Created by:
Sandysmith
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