Depends on who's asking. For the Federal government, gross income is income from all sources- earned and unearned. Unearned income is your money making money- investments, dividends, capital gains, sale of property. Earned income is, well, what you actually toiled to attain, like wages, consultation fees, jury duty payment, etc.
Coronary artery calcification is the result of calcium deposition in the coronary arteries. Coronary arteries are blood vessels that deliver blood supply to the heart for its nourishment and oxygen needs.
Epidemiology, histopathology, and pathobiology define at least 5 distinct and prevalent types of vascular calcification: calcific aortic stenosis (CAS), medial artery calcification, atherosclerotic intimal calcification, vascular calcification of chronic kidney disease, and calcific uremic arteriolopathy.