What is the epithelial lining of nasopharynx?
What is the epithelial lining of nasopharynx?
ciliated columnar epithelium
The nasopharynx is mainly lined by ciliated columnar epithelium but stratified squamous epithelium occurs at its lower end where it joins the oropharynx. There is a particularly prominent aggregation of lymphoid tissue in the nasopharynx, forming the pharyngeal tonsil (adenoids).
What causes nasopharynx inflammation?
The most common condition that affects your nasopharynx is nasopharyngitis, otherwise known as the common cold. This swelling of your nasal passages and throat is sometimes called an upper respiratory infection, or rhinitis. In nasopharyngitis, a virus (often rhinovirus) infects your nasopharynx.
What is the most common symptom of nasopharyngeal carcinoma?
The most common symptom of nasopharyngeal cancer is a painless lump in the neck. Other signs and symptoms of nasopharyngeal cancer include: nosebleeds or bloody discharge from the nose. a stuffy or blocked nose.
What are the signs and symptoms of nasopharyngeal cancer?
Signs and Symptoms of Nasopharyngeal Cancer
- Hearing loss, ringing in the ear, pain, or feeling of fullness in the ear (especially on one side only)
- Ear infections that keep coming back.
- Nasal blockage or stuffiness.
- Nosebleeds.
- Headaches.
- Facial pain or numbness.
- Trouble opening the mouth.
- Blurred or double vision.
In what ways does the epithelium of the upper respiratory tract differ from the epithelium in the alveoli?
Epithelium of the alveoli is simple squamous; epithelium of the upper respiratory tract is of several other types. The epithelium of the upper respiratory tract is largely ciliated; the epithelium in the alveoli is not.
What type of epithelium is found in the nasal cavity?
The majority of the respiratory tree, from the nasal cavity to the bronchi, is lined by pseudostratified columnar ciliated epithelium.
Why is my nasopharynx sore?
Pharyngitis is caused by swelling in the back of the throat (pharynx) between the tonsils and the voice box (larynx). Most sore throats are caused by colds, the flu, coxsackie virus or mono (mononucleosis). Bacteria that can cause pharyngitis in some cases: Strep throat is caused by group A streptococcus.
What mimics nasopharyngeal cancer?
Wegener’s granulomatosis that mimics nasopharyngeal cancer.
Can you feel nasopharyngeal cancer?
Can you feel nasopharyngeal cancer? Many people who develop nasopharyngeal tumors can feel small lumps on one or both sides of their neck. These lumps are not the tumors, but rather inflamed lymph nodes. Most lymph nodes are very small and cannot be felt.