Medical terms beginning with O

A pill used to prevent pregnancy.

A dentist with special training in surgery of the mouth and jaw.

Surgery to remove one or both testicles.

Surgery to remove one or both testicles.

A part of the body that performs a specific function.

Food produced without the use of man-made fertilizer, drugs that increase growth, or drugs that kill insects, bacteria, or other living things.

A living thing, such as an animal, a plant, a bacterium, or a fungus.

The final part of the sex act, which involves contraction of sexual organs and a sudden release of endorphins, leading to a feeling of pleasure.

Cancer that forms in tissues of the oropharynx (the part of the throat at the back of the mouth, including the soft palate, the base of the tongue, and the tonsils).

The part of the throat at the back of the mouth behind the oral cavity.

A system in which medical doctors and other healthcare professionals (such as nurses, pharmacists, and therapists) treat symptoms and diseases using drugs, radiation, or surgery.

In medicine, refers to something that occurs in the normal or usual place in the body.

A drug used to treat certain types of non-small cell lung cancer.

A substance being studied in the treatment of cancer.

The concentration of particles dissolved in a fluid.

Having to do with osmosis (the passage of a liquid through a membrane from a less concentrated solution to a more concentrated one).

A chronic condition in which both the breakdown and regrowth of bone are increased.

A cancer of the bone that usually affects the large bones of the arm or leg.

Causing the breakdown of bone.

Inflammation of the bone caused by an infection, which may spread to the bone marrow and tissues near the bone.