A mucous cyst develops when the mouth’s salivary glands become plugged with mucus. While they’re usually temporary and painless, they can become permanent if not treated. What are mucous cysts?

An evaluation of the nasal mucosa and nasopharynx demonstrated slight hyperemia but no evidence of bleeding, infection, or foreign body. The specimen consisted of a single gray mass measuring 1 cm ...

The nose is lined with ciliated pseudostratified columnar epithelium in combination with goblet cells -- the so-called "respiratory epithelium." A mucous bilayer lines this epithelium, working ...