M

mediastinal pleura

The thin membrane that lines the chest cavity in the area between the lungs. … [Read more...]

mediastinoscope

A thin, tube-like instrument used to examine the tissues and lymph nodes in the area between the lungs. These tissues include the heart and its large blood … [Read more...]

mediastinoscopy

A procedure in which a mediastinoscope is used to examine the organs in the area between the lungs and nearby lymph nodes. A mediastinoscope is a thin, … [Read more...]

mediastinum

The area between the lungs. The organs in this area include the heart and its large blood vessels, the trachea, the esophagus, the thymus, and lymph nodes but … [Read more...]

Medicaid

A health insurance program for people who cannot afford regular medical care. The program is run by U.S. federal, state, and local governments. People who … [Read more...]

medical castration

Refers to the use of drugs to suppress the function of the ovaries or testicles. … [Read more...]

medical device

An instrument, tool, machine, test kit, or implant that is used to prevent, diagnose, or treat disease or other conditions. Medical devices range from tongue … [Read more...]

medical nutrition therapy

Treatment based on nutrition. It includes checking a person … [Read more...]

medical oncologist

A doctor who specializes in diagnosing and treating cancer using chemotherapy, hormonal therapy, biological therapy, and targeted therapy. A medical oncologist … [Read more...]

Medicare

A U.S. federal health insurance program for people aged 65 years or older and people with certain disabilities. Medicare pays for hospital stays, medical … [Read more...]