Oral Cavity Flashcards
What are the 8 functions of the digestive system?
Ingestion Mastication Secretion Absorption Elimination of Wastes Motility Hormone Release Chemical Digestion
What includes the tongue, teeth, minor and major salivary glands, tonsils, and lips?
Oral Cavity
What is the oral cavity lined with?
Oral Mucosa
Masticatory mucosa is found on what?
Gingiva
Hard Palate
What is the surface epithelium of masticatory mucosa?
Keratinized or Parakeratinized Stratified Squamous
What are the 2 parts of the lamina propria found in the oral mucosa?
Papillary Layer
Reticular Layer
What is the papillary layer of the lamina propria in the oral cavity made of?
Thick Loose CT
Which layer of the lamina propria has blood vessels, nerves, sensory receptors and some Meissner’s corpuscles?
Papillary Layer
What is the reticular layer of the lamina propria in the oral mucosa made of?
Dense CT
What are the 3 layers of the oral mucosa?
- Masticatory Mucosa
- Lining Mucosa
- Specialized Mucosa
What is found on the soft palate, underside of the tongue, floor of mouth, cheeks and lips?
Lining Mucosa
Generally, what is the surface epithelium of lining mucosa?
Nonkeratinized Stratified Squamous Epithelium
The surface epithelium of the lining mucosa occasionally can also be?
Parakeratinized Stratified Squamous Epithelium
The vermillion border of the lips is made up of what tissue?
Keratinized Stratified Squamous
The areas of non keratinized stratified squamous epithelium is thicker than the areas of?
Keratinized Stratified Squamous