The causes of pulmonary vascular disease vary according to which of the lungs' blood vessels are affected. Pulmonary vascular disease is divided into several categories: Pulmonary Arterial Hypertension: Increased blood pressure in the pulmonary arteries (carrying blood away from the heart to the lungs).
Noun[edit] alma mater â(plural almae matres or alma maters) 1  A school or college from which an individual has graduated or which he or she has attended.  A school's anthem or song.
ALMA is the world's most powerful radio telescope, which means it deciphers wave lengths of light -- colors really -- that the human eye cannot see, giving scientists a window on parts of the universe that are otherwise invisible. It's a project that's been 30 years in the making and cost $1.3 billion.