Category: N

An intrinsic form of angular momentum possessed by atomic nuclei containing an odd number of nucleons (protons or neutrons).  

The condition for which the maximum decrease in treated tumor volume is less than 50%.  

Radiation for which the mechanism of action in tissue does not directly ionize atomic or molecular systems through a single interaction. Rays of energy that traverse in extended, leisurely undulations and fail to permeate cellular structures.  

The use of nuclear magnetic resonance (nmr) techniques in imaging the internal structure and metabolic reactions of the body. Hydrogen, the most common element in the body, appears in the complex biomolecules that are the constituents of all bodily tissues, such as healthy brain tissue, bone, tumors, or blood. In each case the nature and…

Formerly known as a nursing home, a facility that offers a combination of housing, personal services, and health care to older or disabled people who are unable to care for themselves independently. Today a wide spectrum of nursing facilities is designed to fit different levels of needs. Assisted living and residential care models are geared…

Also known as pulled elbow, a painful injury in which nearby soft tissue slips into the elbow joint and is trapped there. Nursemaid elbow is most common among children under age 4. The injury can occur when a small child is lifted, yanked, or swung by the hand or wrist or falls on his or…

A surgical procedure, also known as rhinoplasty, to change the shape and contour of the nose.  

In pregnancy, external monitoring of a fetus, using ultrasound A DOU- stress test is painless, requires no drugs or anesthesia, can be performed in the doctor’s office or in a hospital labor room, and takes between 20 and 40 minutes. The nonstress test shows whether the fetus is reactive, meaning that its heart speeds up…

Drugs that are available without a doctor’s prescription; also called over- the-counter (OTC) drugs. OTC drugs tend to be medications that relieve minor symptoms at doses that are effective and safe. Nonprescription drugs are relatively inexpensive. Sixty percent of the medications purchased in the United States are nonprescription drugs. Over the counter (OTC) drugs are…

Smoking cessation chewing gum. Nicotine gum is available without a prescription to help people quit smoking. As a person chews the gum, nicotine is released and passes into the bloodstream through the lining of the mouth, reducing the withdrawal effects of not smoking. Chewing gum containing nicotine that is used to aid smokers in quitting…