Merck Manual

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Introduction to Nose and Sinus Disorders

By

Marvin P. Fried

, MD,

  • Professor and University Chairman, Department of Otorhinolaryngology-Head and Neck Surgery
  • Montefiore Medical Center, The University Hospital of Albert Einstein College of Medicine

Last full review/revision Jun 2020| Content last modified Jun 2020
Click here for the Professional Version
Topic Resources

The upper part of the nose consists mostly of bone. The lower part of the nose gains its support from cartilage. Inside the nose is a hollow cavity (nasal cavity), which is divided into two passages by a thin sheet of cartilage and bone called the nasal septum. The bones of the face contain the paranasal sinuses, which are hollow cavities that open into the nasal cavity (see Nose and Sinuses).

Because of its prominent position, the nose is especially vulnerable to injury, including fractures. Bacterial nasal infections, nosebleeds, objects inserted in the nose, and polyps also can affect the nose. The mucous membrane of the nose may become inflamed (rhinitis). This inflammation may spread to the lining of the sinuses (rhinosinusitis).

A Look Inside the Nose and Throat

A Look Inside the Nose and Throat
NOTE: This is the Consumer Version. DOCTORS: Click here for the Professional Version
Click here for the Professional Version
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