Pulmonary
121pulmonary syndrome hantavirus — See hantavirus pulmonary syndrome …
122pulmonary valve — Anat. a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle. * * * …
123pulmonary alveolus — Any of the 300 million or so small air spaces in the lungs where carbon dioxide leaves the blood and oxygen enters it. Alveoli form clusters (alveolar sacs) connected by alveolar ducts to the bronchioles. Their thin walls contain numerous… …
124pulmonary embolism — noun The embolism or obstruction of a pulmonary artery, usually by a detached blood clot from a leg or pelvic vein, which causes a stoppage of blood into the lungs; symptoms include shortness of breath, chest pain, fainting, and sometimes death …
125pulmonary tuberculosis — see tuberculosis * * * infection of the lungs by Mycobacterium tuberculosis. The usual course of untreated disease is tuberculous pneumonia, formation of granulation tissue, caseation, calcification, and cavity formation. It may spread to other… …
126pulmonary arches — the most caudal of the aortic arches; they become the pulmonary arteries …
127pulmonary venoocclusive disease — an idiopathic form of primary pulmonary hypertension, usually seen in children or young adults, characterized by dyspnea and syncope, sometimes with intimal fibrosis, hemoptysis, paroxysmal nocturnal dyspnea, and orthopnea …
128pulmonary arteriovenous fistula — a congenital fistula between the pulmonary arterial and venous systems, allowing unoxygenated blood to enter the systemic circulation …
