Medical terms beginning with N

Abnormal cells are found in the lower part of the epidermis (the outer layer of the skin).

The commonest cancers in people with pale skin, grouped together by what they are not rather than by what they are.

Having to do with skin cancer that forms in the lower part of the epidermis (the outer layer of the skin) or in squamous cells, but not in melanocytes (skin cells that make pigment).

Cancer that has not spread from the primary site (place where it started) to other places in the body.

A drug that is not an opioid.

A medicine that can be bought without a prescription (doctor's order).

A clinical trial in which the participants are not assigned by chance to different treatment groups.

A group of testicular cancers that begin in the germ cells (cells that give rise to sperm).

A cell (such as a phagocyte or a macrophage) that responds to many antigens, not just one antigen.

A member of the family of vegetables that does not contain starch (sugar molecules joined chemically).

A drug that decreases fever, swelling, pain, and redness.

A drug that decreases the production of sex hormones (estrogen or testosterone) and slows the growth of tumors that need sex hormones to grow.

A nontoxic substance does not produce injury or a poisoning effect at the amount and route of exposure being described.

A chemical made by some nerve cells and in the adrenal gland.

Most of what circulates leaks from sympathetic nerve endings rather than pouring out of the adrenal glands, unlike its better known relative.

The seal vouches for who signed and that they did so willingly; it says nothing whatever about whether the contents are true.

An antibiotic drug used to treat infection.

Licensing sits with the state, so what one nurse practitioner may do alone differs from what another may do elsewhere.

A protein found on the surface of some cancers.

The same enzyme block that relieves pain also strips prostaglandin protection from the stomach lining and from blood flow through the kidney.