Letter N
NASAL SEPTUM
A thin piece of bone in the middle of the nasal cavity.
NASAL SEPTUM DEVIATION
The bone in the middle of the nasal cavity is deviated, or “bent”, to one side.
NASAL SEPTUM SPUR
A bony outpouching arising from the middle of the nose that can impinge, or “push”, on the nasal tissue and cause problems with breathing.
NASOPHARYNX
Located in the back of the mouth where the tissues of the nose and mouth meet. It joins the esophagus, or swallowing tube, that leads to the stomach.
NECROSIS
Tissue death, often from lack of blood supply (ischemia).
NECROTIC
Becoming pus-like, often from infection or cancer. For example, necrotic lymph node is a lymph node that has fluid or pus in the center.
NECROTIC LYMPH NODE
A lymph node that has fluid or pus in it’s center. It can be related to infection or cancer.
NEEDLE (OR WIRE) LOCALIZATION
A procedure used to “mark” the abnormality before surgery. This helps the surgeon to precisely “cut out” the abnormality.
NEGATIVE
This is confusing terminology. When this word is used to describe an x-ray, it means that the x-ray is NORMAL. For example, a negative chest x-ray is a normal chest x-ray.
NEOCORTEX
Refers to the large part of the brain containing the frontal lobe. If you think of the brain like a piece of cauliflower, the neocortex is the rough outer layer while the brain stem is the stalk.
Search By Alphabet
