Category: N

Process of delivering nutrients in liquid form through a tube passed into the stomach through the nose; used when the person can digest food but cannot eat (e.g., in some cases of mouth or throat surgery).  

Any of numerous cavities in the skull lined with a mucous membrane continuous with the nasal membrane; among the nasal sinuses are the frontal sinuses, ethmoid sinuses, and maxillary sinuses.  

Dilation of the nostrils during inspiration; a sign of respiratory distress, particularly in small children and infants. Intermittent outward movement of the nostrils with each inspiratory effort; indicates an increase in the work of breathing.  

Drug that provides temporary relief of nasal symptoms associated with the common cold, rhinitis, and upper respiratory infections. Most contain an antihistamine and vasoconstrictor, and many are sold without prescription.  

Openings in the nose that allow the passage of air into the pharynx. The paired anterior openings are the anterior nares, or nostrils; the paired posterior openings at the back of the nasal cavity leading to the nasopharynx are the posterior nares. Openings of the nose. The two external (or anterior) nares are the nostrils,…

System of medicine based on the idea that many diseases are due to displacement of connective tissues (e.g., ligaments, tendons) and that manipulation of these tissues will bring relief. A system of gentle therapeutic manipulations of the skeletal system, the ligaments, muscles, and other connective tissues; a form of applied kinesiology. Naprapathy is based on…

Toxic condition caused by ingestion or inhalation of naphthalene and related compounds, commonly found in mothballs and some agricultural insecticides; symptoms include nausea, vomiting, abdominal pain, muscle spasm, and convulsions.  

Vasoconstrictor used in eye-drops and nasal sprays to treat eye irritation and nasal congestion. Adverse effects arise from systemic absorption and include sedation and cardiovascular effects. A drug that constricts small blood vessels and is used to relieve congestion in rhinitis and sinusitis. It is administered as nasal drops and may cause slight irritation.  

Area just below the bump (occiput) at the back of the head.  

Condition in which one or both eyes are abnormally small, but other eye defects are not present.