Microvascular angina (MVA) is defined as angina pectoris caused by abnormalities of small coronary arteries. In itsmost typical presentation, MVA is characterized by angina attacks mainly caused by effort, evidence of myocardial ischemia on non-invasive stress tests, but normal coronary arteries at angiography. CLOSE WINDOW ]. Figure 1. Definition and classification of microvascular angina (MVA). In patients with sufficiently typical chest pain and normal coronary arteries, MVA is diagnosed after careful exclusion of other (cardiac and non-cardiac) causes.
Human Population - Biology Encyclopedia Human Population Human population refers to the number of people living in a particular area, from a village to the world as a whole. A secondary meaning of population is the inhabitants themselves, but in most uses population means numbers.
Princeton's WordNet (3.27 / 15 votes) Rate this definition: population (noun) the people who inhabit a territory or state the population seemed to be well fed and clothed population (noun) a group of organisms of the same species inhabiting a given area they hired hunters to keep down the deer population population, universe (noun) (statistics) the entire aggregation of items from which samples can be drawn it is an estimate of the mean of the population population (noun) the number of inhabitants (either the total number or the number of a particular race or class) in a given place (country or city etc.)