28 Questions
Which type of epithelium lines the structures of the oral cavity?
Stratified squamous epithelium
What is the main difference between the mucous membrane in the oral cavity and skin?
Keratinization
Where is the mucous membrane closely adherent to the underlying Periosteum?
Gums
What forms part of the accessory organs closely related to the alimentary canal?
Salivary glands and liver
Which region of the oral cavity contains connective tissue with many elastic fibers and fat?
Cheeks
Where are the serous glands mainly present in the tongue?
In relation to circumvallate papillae
What is the function of the serous glands in the tongue?
To dissolve substances to be tasted and spread over taste buds
Where are the anterior lingual glands located?
On the ventral aspect of the apex of the tongue
What is the composition of taste buds?
Modified epithelial cells
Where are taste buds NOT present?
On the anterior lingual glands
How do taste buds communicate with the surface of the tongue?
Through gustatory pores
What is a characteristic feature of seromucous cells in salivary glands?
Intermediate ultrastructure between serous and mucous cells
Which type of secretory cells in salivary glands have the lowest concentration of protein carbohydrate complexes?
Serous cells
What is the role of myoepithelial cells in salivary glands?
Contract to help squeeze out secretion from acini
Which type of cells are often capped by serous demilunes in the submandibular glands?
Mucous cells
What organelles are typically found in myoepithelial cells in the salivary glands?
Conspicuous filaments resembling myofilaments of smooth muscle cells
What is a possible function of cilia found on some myoepithelial cells?
Subserve a sensory or chemoreceptor function
Where is the sweet taste best appreciated on the tongue?
At the tip of the tongue
What characterizes a fissured tongue?
Numerous small furrows or grooves on the dorsum of the tongue
Which glands are considered major salivary glands?
Parotid, submandibular, and sublingual glands
Where are the submandibular glands located?
Superior to digastric muscles
What causes the 'hairs' on a hairy tongue to be stained black, brown, or yellowish-white?
By oral flora
What type of cells are typically arranged in the form of rounded acini?
Serous cells
What is a characteristic feature of serous cells at the apex of the cell?
Microvilli and pinocytotic vesicles
What is the main characteristic of mucous cells when compared to serous cells?
Columnar shape of cell lining
Which type of cells show folds that interdigitate with adjoining cells?
Serous cells
What is the main indication of considerable synthetic activity in serous cells?
Abundant rough endoplasmic reticulum
Where are the secretory granules located within serous cells?
At the apex of the cell
Learn about different tongue conditions such as Fissured Tongue and Hairy Tongue. Discover how taste is perceived on different parts of the tongue. Explore clinical correlations related to tongue health.
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