Search Page

Some medical tests report results in micrograms per deciliter (mcg/dL). A microgram is one-millionth of a gram. A gram is about 1

The mitral valve separates the left upper chamber (left atrium) and left lower chamber (left ventricle) of the heart. The mitral

Some medical tests report results in milliliters (mL). A milliliter measures fluid volume. It is equal to one-thousandth of a

A miscarriage is the loss of a pregnancy during the first 20 weeks. It's usually the body's way of ending a problem pregnancy. For

Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to make pictures of organs

Melanoma is the most serious type of skin cancer. It starts when the pigment-producing cells in your skin (melanocytes) become

Factitious disorder imposed on self is a mental health condition. A person with this condition pretends to be sick, makes themself

Morning sickness is nausea, sometimes with vomiting, likely caused by hormones released during pregnancy. Morning sickness occurs

Multiple sclerosis (MS) is a disease that affects the central nervous system—the brain and spinal cord. It also affects the nerves

Vascular (or multi-infarct) dementia refers to a decline in a person's mental abilities that results from a series of strokes. A