10 Questions
Which of the following is true about the ventral side of the tongue and cheek mucosa?
It is sometimes called the mucocutaneous junction and becomes dry and cracked in cold weather.
What is the characteristic feature of the cheek mucosa epithelium?
It is thick and non-keratinized.
What is the characteristic feature of the lamina propria in the cheek mucosa?
The connective tissue papillae are short but numerous, giving a saw-like appearance.
What is the characteristic feature of the submucosa in the cheek mucosa?
It consists of strands of dense collagen fibers that connect the mucosa to the fascia of the buccinator muscle, with adipose tissue in between.
Where are the buccal minor salivary glands located?
On the surface of the buccinator muscle and between its bundles.
What is the characteristic feature of the specialized mucosa on the dorsal surface of the tongue?
It is divided by a V-shaped sulcus terminalis into an anterior papillary part and a posterior lymphatic part.
How many types of tongue papillae are present in humans?
4 types: filiform, fungiform, circumvallate, and foliate papillae.
What is the characteristic feature of the isolated sebaceous glands sometimes found lateral to the mouth corner?
They are considered an anomaly and appear as yellowish spots called Fordyce's granules.
What is the characteristic feature of the group of minor mixed salivary glands in the cheek mucosa?
They are located on the surface of the buccinator muscle and between its bundles.
What is the function of the dense collagen fiber strands in the submucosa of the cheek mucosa?
To connect the mucosa to the fascia of the buccinator muscle.
Test your knowledge on the layers and components of skin tissue including stratum spinosum, stratum intermedium, Odland body, stratum basal, keratinized epithelium, and non-keratinized epithelium. Understand the composition of lamina propria, submucosa, fibroblast cells, fibers, vascular and lymphatic channels, nerves, and ground substance.
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