A simple, painless breathing test performed in a physician’s office or pulmonary function laboratory that measures how fast air can be forced from the lungs and the total amount of air that can be emptied from the lungs.
A physician trained to diagnose and treat disorders of the nervous system, including the brain and spinal cord.
A false or inactive medication or treatment that may still offer relief despite being ineffective. In clinical trials, the effectiveness of a new drug is often tested against one of these.
A hardened layer of plaque that builds up on teeth. Also called calculus.
An itchy condition of the scalp caused by a fungal infection. Also known as tinea capitis.
Paralysis of the legs and lower part of the body.
A technician who helps select and fit eyeglasses or contact lenses for people with vision problems.
A health care professional (but not a medical doctor) licensed to examine the eye, and diagnose and treat some eye diseases.
An adjective used to describe an infection acquired in a hospital or other healthcare facility.
The process of determining how far cancer has progressed. Often used to determine the best course of treatment.
The last 12 centimeters of the colon, through which waste is eliminated from the body.
A disease caused by vitamin C deficiency, characterized by bruising, poor wound healing, bleeding of the gums, and loosened teeth.
A thin layer of tissue that lines many cavities and structures in the body that are exposed to air in the environment, such as the nose, mouth, and lungs.
A deadly heart rhythm in which the ventricles contract independently of the atria and in a chaotic manner.
A cord of collagen fibers that connect a muscle to a bone.
An unstable molecule in the body that plays a role in aging and can damage tissue; antioxidants help prevent damage to these molecules.
The calf bone in a human leg.
A localized patch of gray or white hair on the scalp, eyebrows, or eyelashes.
An eye disease that slowly destroys sharp, clear central vision.
Pain or tenderness in a muscle.
A type of white blood cell that destroys cell debris, bacteria, and foreign agents.
Treatment with high-energy rays (from x-rays or other sources) designed to control disease and destroy cancer cells.
Tissue containing nerves and blood vessels that fills the chamber at the center of the tooth.
Steps taken to prevent a particular disease or condition, such as taking nitroglycerin to prevent angina.
A physician with extensive specialized training in treating the eye and eye disease.
fibula
free radical
macrophage
macular degeneration
mucus membrane
myalgia
neurologist
nosocomial
ophthalmologist
optician
optometrist
paraplegia
placebo
poliosis
prophylaxis
pulp
radiation therapy
rectum
ringworm
scurvy
spirometry
staging
tartar
tendon
ventricular fibrillation
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