Medical terms beginning with N

Nicotinamide is a form of vitamin B3 that the body needs for energy production, distinct from niacin in that it does not cause flushing.

Nicotine gum is an over the counter chewing gum that delivers a measured dose of nicotine to ease cravings during smoking cessation.

A device used to inhale (breathe in) small doses of nicotine through the mouth.

A hard candy-like tablet that contains a small dose of nicotine.

A nose spray that contains a small dose of nicotine, which enters the blood by being absorbed through the lining of the nose.

A nicotine patch delivers a steady, low dose of nicotine through the skin, easing withdrawal symptoms for someone reducing or stopping tobacco use.

A type of treatment that uses special products to give small, steady doses of nicotine to help stop cravings and relieve symptoms that occur when a person is trying to quit smoking.

A nutrient in the vitamin B complex that the body needs in small amounts to function and stay healthy.

Most of what this agency does happens somewhere else, in laboratories it pays for rather than laboratories it owns.

The raised opening at the center of the breast where the milk ducts reach the surface, ringed by darker skin.

Fluid that is not milk coming from the nipple.

Nitric acid is a strong, corrosive industrial chemical, distinct from nitric oxide, the body's own blood vessel signaling molecule.

An alkaloid drug belonging to a class of anticancer agents called topoisomerase inhibitors.

Chemicals that assemble wherever nitrite meets the right partner, including inside the stomach, and that damage DNA once the liver has processed them.

An anticancer drug that can cross the blood-brain barrier.

An NK cell is a white blood cell of the innate immune system able to kill infected or abnormal cells on first contact.

A type of immune cell that has granules (small particles) with enzymes that can kill tumor cells or cells infected with a virus.

A type of leukemia in which large natural killer (NK) cells (a type of white blood cell) that contain granules (small particles) are found in the blood.

A type of leukemia in which large natural killer (NK) cells (a type of white blood cell) that contain granules (small particles) are found in the blood.

A rare type of Hodgkin lymphoma, which is a cancer of the immune system.