Chapter 6- Oral Mucosa Flashcards
Functions of the digestive system
- ingestion
- mastication
- secretion
- absorption
- elimination of waste
- __________
- __________
- __________
motility
hormone release
chemical digestion
The oral cavity includes tongue, teeth, minor an major salivary glands, tonsils and lips. It is lined with _________
oral mucosa
What are the THREE types of oral mucosa?
masticatory mucosa
lining mucosa
specialized mucosa
** Which type of mucosa in found on GINGIVA and the HARD PALATE?
a. lining mucosa
b. masticatory mucosa
c. specialized mucosa
masticatory mucosa
Which type of mucosa is found on the SOFT PATALE, UNDERSIDE OF TONGUE, FLOOR OF MOUTH, CHEEKS and LIPS?
a. lining mucosa
b. masticatory mucosa
c. specialized mucosa
lining mucosa
Which type of mucosa is found on the DORSAL SURFACE of the TONGUE?
a. lining mucosa
b. masticatory mucosa
c. specialized mucosa
specialized mucosa
Which type of SURFACE EPITHELIUM is found on MASTICATORY mucosa?
keratinized stratified squamous (or parakeratinized)
** SUPERFICIAL CELLS of PARAKERATINIZED STRATIFIED SQUAMOUS epithelium KEEP their NUCLEI.
True or False?
True
The LAMINA PROPRIA of MASTICATORY mucosa is made up of which TWO layers?
papillary layer
reticular layer
The _________ layer of the lamina propria in masticatory mucosa is made up of THICK LOOSE CT and has BVs, SENSORY RECEPTORS and MEISSNER CORPUSCLES
Papillary (layer)
The __________ layer of the lamina propria in masticatory mucosa is made up of DENSE CT
Reticular (layer)
Which type of SURFACE EPITHELIUM is USUALLY found on LINING mucosa?
non-keratinized stratified squamous (usually)
** Lips and the Vermillion boarder of them are made up of ________ epithelium
keratinized stratified squamous
** The areas of NON-keratinzed stratified squamous epithelium is __________ (thinner/thicker) than the areas of keratinized stratified squamous epithelium
thicker
What are the THREE layers of the LINING mucosa?
surface epithelium
lamina propria
submucosa