Define omission. omission synonyms, omission pronunciation, omission translation, English dictionary definition of omission. n. 1. The act or an instance of omitting. 2. The state of having been omitted. 3. Something omitted or neglected. or n 1. something that has been omitted or...
Causes of heart disease. Heart disease occurs when plaque develops in the arteries and blood vessels that lead to the heart. This blocks important nutrients and oxygen from reaching your heart. Plaque is a waxy substance made up of cholesterol, fatty molecules, and minerals.
Causes of heart disease. Coronary heart disease (CHD) is usually caused by a build-up of fatty deposits on the walls of the arteries around the heart (coronary arteries). The fatty deposits, called atheroma, are made up of cholesterol and other waste substances.The build-up of atheroma on the walls of the coronary arteries makes the arteries narrower, restricting the flow of blood to the heart muscle. This process is called atherosclerosis.he fatty deposits, called atheroma, are made up of cholesterol and other waste substances. The build-up of atheroma on the walls of the coronary arteries makes the arteries narrower, restricting the flow of blood to the heart muscle.