Digestive system Flashcards
(75 cards)
Lining epithelium of ORAL CAVITY
Stratified squamous non-cornified
Organs found in oral cavity
o Hard palate
o Gingivae
o Filiform papillae of the tongue
Submucosa of ORAL CAVITY
lips, cheeks and soft palate
Mucosa of Hard palate
▪ No submucosa
▪ Mucosa is firmly bound to the
periosteum
Subdivisions of ORAL CAVITY
o Oral cavity proper
o Oral vestibule
The only communication between the oral
vestibule and the oral cavity proper
Retromolar space
UPPER AND LOWER LIPS:
What is the LE of skin:
stratified squamous cornified epithelium
Submucosa of LIPS
containing tubulo-alveolar, small salivary
glands called labial glands
Medical term for lips
Labial
Mucosa of LIPS
Stratified squamous non-cornified epithelium
CHEEKS: LE of the skin
Stratified squamous cornified epithelium
Superficial fascia
– with buccal pad of fat
Submucosa of CHEEKS
buccal glands (mixed secretion)
Mucosa of CHEEKS
– lined by SSNC (stratified squamous non cornified)
Upper surface of TOUNGE contains ________
Lingual Papillae
What are the 4 different parts of Papillae?
Filiform, Fungiform, Folliate, Circumvallate
Filiform
Most numerous
Fungiform
Constricted base, expanded surface
Folliate
Leaf-like; rudimentary
Circumvallate
Largest and contain taste buds Tongue
Undersurface of TOUNGE contains _________
salivary glands
2 PARTS OF LINGUAL GLANDS
Blandin and Nuhn AND Von-Ebners
Blandin and Nuhn
→ Anterior
→ Mucoserous (mixed type)
Von-Ebners
→ Posterior
→ Purely serous