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 … [Read more...]
Search Results for: Or
Oriental medicine
A medical system that has been used for thousands of years to prevent, diagnose, and treat disease. It is based on the belief that qi (the body's vital energy) … [Read more...]
orgasm
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. In males, … [Read more...]
organism
A living thing, such as an animal, a plant, a bacterium, or a fungus. … [Read more...]
organic food
Food produced without the use of man-made fertilizer, drugs that increase growth, or drugs that kill insects, bacteria, or other living things. In the United … [Read more...]
organelle
A small structure in a cell that is surrounded by a membrane and has a specific function. Examples of organelles are the nucleus (a structure that contains the … [Read more...]
organ
A part of the body that performs a specific function. For example, the heart is an organ. … [Read more...]
orchiectomy
Surgery to remove one or both testicles. Also called orchidectomy. … [Read more...]
orchidectomy
Surgery to remove one or both testicles. Also called orchiectomy. … [Read more...]
oral surgeon
A dentist with special training in surgery of the mouth and jaw. … [Read more...]