A pill used to prevent pregnancy. It contains hormones that block the release of eggs from the ovaries. Most oral contraceptives include estrogen and progestin. … [Read more...]
Search Results for: Or
oral cavity
Refers to the mouth. It includes the lips, the lining inside the cheeks and lips, the front two thirds of the tongue, the upper and lower gums, the floor of the … [Read more...]
oral cavity cancer
Cancer that forms in tissues of the oral cavity (the mouth). The tissues of the oral cavity include the lips, the lining inside the cheeks and lips, the front … [Read more...]
oral cancer
Cancer that forms in tissues of the oral cavity (the mouth) or the oropharynx (the part of the throat at the back of the mouth). … [Read more...]
oral and maxillofacial surgeon
A dentist who specializes in surgery of the mouth, face, and jaw. … [Read more...]
oral
By or having to do with the mouth. … [Read more...]
opportunistic infection
An infection caused by an organism that does not normally cause disease. Opportunistic infections occur in people with weakened immune systems. … [Read more...]
oophorectomy
Surgery to remove one or both ovaries. … [Read more...]
oligodendroglial tumor
A rare, slow-growing tumor that begins in oligodendrocytes (cells that cover and protect nerve cells in the brain and spinal cord). Also called … [Read more...]
olfactory transduction
A series of events in which cells in the nose bind to scent-bearing molecules and send electrical signals to the brain where they are perceived as smells. … [Read more...]