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56 Cards in this Set
- Front
- Back
Oral Mucosa
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Consisys of moist surface epithelium and underlying connective tissue (Lamina Propria) (Submucosa)
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Oral Epithelium (Mucosa)
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Seperated from Submucosa by basement membrane
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Attached Gingiva and Masticatory Mucosa are Keratinized or Parakeratinized?
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Parakeratinized
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Unattached Oral Mucosa features LESS or MORE Keratin than Attached Mucosa?
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LESS
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Orthokeratin & Parakeratin are found in mucosa or in skin.
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Mucosa (not found in skin)
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Parakeratin or Orthokeratin cells possess nuclei?
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Parakeratin
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Bottom-most cell layer is the?
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basal cell layer
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It interdigitates with connective tissue papillae of submucosa via rete pegs.
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Oral Epithelium
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it features nerve fibers but is not vasculated?
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Oral Epithelium
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The Anterior 2/3 of the Palate is known as the?
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Hard Palate
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The Hard Palate is covered with what kind of mucosa?
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Masticatory Mucosa
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What are the 6 things that describe the hard plate masticatory mucosa?
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1. no submucosa
2. keratinized 3. firmly attached to underlying bone 4. Mid-palatine raphe runs length of midline 5.features rugae in anterior portion 6. features incisive papilla on anterior midline |
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the junction of the hard and soft palate is called the?
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"Glandular zone"
-with numerous minor salivary glands |
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What can also be seen at the Junction of the hard and soft palate?
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Palatine fovea
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three things that describe the soft Palate?
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1. Psterior 1/3 of palate
2. Unattached with underlying submucosa 3. Uvula seen at posterior border between soft palate and oropharynx |
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The Fauces of the palate represent the junction of what?
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Oral cavity and oropharynx (marked by anterior and posterior pillars)
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consists of nasopharynx and oropharynx?
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Pharynx
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Represents the area where oral cavity and nasal cavity meet?
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Pharynx
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What is visible on the Left and Right Lateral walls of the oropharynx?
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Palatine tonsiles
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What are the palatine Tonsiles made up of?
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Lymphoid tissue part of immune system
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The Palatine tonsiles are sandwiched between these two arches or pillars?
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Anterior Arch & Posterior Arch or
Glossopalatine Arch & Pharyngoplatine Arch or Palatoglosssal Arch & Palatopharyngeal Arch |
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What lines the Cheek of the mouth?
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Buccal Mucosa
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What lines the lips of the mouth?
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Labial Mucosa
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Features Left and Right parotid papilla adjacent to maxillary 2nd molars?
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Buccal mucosa
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Where is the stenson's duct located?
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adjacent to the maxillary 2nd molars on the buccal mucosa
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tooth bearing bony portions of maxilla and mandible?
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Alveolar ridges
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what 4 things are covered with oral mucosa?
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1. Free gingiva
2. attached gingiva 3. alveolar mucosa 4. mucogingival junction |
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On the mandible the posterior extension behind the last molar is called?
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Retromolar Pad
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The posterior extension behind the last molar on the maillary arch is called?
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Maxillary tuberosity
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represents the confluence between alveolar mucosa and labial and buccal mucosa?
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Folds and Vestibules
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posterior fold or vestibule?
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Mucobuccal fold or
Buccal vestibule |
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anterior fold or vestibule?
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mucolabial fold or
Labial vestibule |
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represents muscle or tendon attachments in the mouth?
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Frenum
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what are the Labial Frena?
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Maxillary central
mandibular central lateral |
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The posterior frena in the moth is called?
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buccal frena
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connects the ventral surface of the tongue with the floor of the mouth?
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lingual frenum
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The floor of the mouth is a continuation of what mucosa?
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Mandibular lingual alveolar mucosa
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The floor of the mouth feature a left and right?
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Sublingual folds (Plica Sublingualis)
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The left and Right Sublingual Folds or Plica Sublingualis contain outlets for what duct?
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The ducts of Rivinus
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seen at the base of the lingual frenum and represents an outlet for a certain sudmandibular duct?
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Sublingual Caruncle
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The Sublingual Caruncle is an outlet for what submandibular duct?
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Wharton's Duct
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2-3mm tissue tags attached to floor of the mouth and are non-functional?
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Plica Fimbriata
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what surface of the tongue features left and right lingual veins running in anterior-posterior direction? Sometimes Verlcose veins can be seen on elderly patients on this surface too?
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Ventral Surface of the tongue
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the mucosa covering the tongue is keratinized or is it parakeratinized?
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parakeratinized
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Where are fillform and fungiform papillae located on the tongue?
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the dorsal anterior 2/3 of the tongue
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where is circumvallate papillae seen on the tongue?
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The dorsal posterior 1/3 of the tongue
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what is often seen on the midline of the dorsal surface of the tongue?
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median sulcus and the dorsal surface may feature numerous fissures.
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what lingual papillae is the most numerous?
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filiform
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this lingual papillae has no taste buds and is used for tactile sensation?
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filiform
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this lingual papillae each have a single minor salivary gland called Von Ebner's?
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Circumvallate
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this extends from the retromolar pad to the maxillary tuberosity?
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pterygomandibular raphe
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What are the 4 functions of the oral cavity?
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Mechanical Digestion
Chemical Digestion Taste Speech (Phonectics) |
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What muscles assist with swallowing?
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Tongue
Pharyngeal muscles |
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What type of fibers are in taste buds?
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Afferent
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Afferent fibers are provided to taste buds via what cranial nerves?
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VII
IX X |
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Where are taste buds located?
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Foliate papillae
Circumvalate Papillae Fungiform Papillae Pharynx Palate |