Heart Index – M

The stage in a woman’s life during which her menstrual cycle stops. It normally occurs at the age of 45 to 50.

The valve which separates the left atrium from the left ventricle. Also known as the bicuspid valve.

A form of fat, the molecules of which have long chains of carbon containing only one (“mono-“) double bond. It is found in liquid form at room temperature.

Short for magnetic resonance imaging. A method of producing three-dimensional, high-resolution images of internal body structures through the use of powerful magnets.

Another term for heart attack. A cardiac event caused by insufficient, or complete cessation of blood flow to the heart such that the heart muscle in the affected area begins to die.

Middle layer of the heart’s wall; also the layer which provides the heart with the muscular strength to pump blood around the body.