pulmonary (pul-mŏn-er-i) adj. relating to, associated with, or affecting the lungs. p. artery the artery that conveys deoxygenated blood from the heart to the lungs for oxygenation. p. capillary wedge pressure (PCWP) an indirect measurement of the pressure of blood in the left atrium of the heart, which indicates the adequacy of left heart function. It is measured using a catheter wedged in the most distal segment of the pulmonary artery. p. circulation see circulation. p. embolism see embolism. p. hypertension raised blood pressure within the blood vessels supplying the lungs. Pulmonary hypertension may complicate pulmonary embolism, septal defects, heart failure, diseases of the mitral valve, and chronic lung diseases. p. stenosis congenital narrowing of the outlet of the right ventricle of the heart. Severe pulmonary stenosis may produce angina pectoris, faintness, and heart failure. The defect is corrected by surgery. p. surfactant see surfactant. p. tuberculosis see tuberculosis. p. valve a semilunar valve in the heart, between the right ventricle and the pulmonary artery, that prevents the backflow of blood from this artery to the right ventricle. p. vein a vein carrying oxygenated blood from the lung to the left atrium.

pul·mo·nar·y / ˈpoŏlməˌnerē; ˈpəl-/ • adj. of or relating to the lungs: pulmonary blood flow.

pulmonary XVIII. — L. pulmōnārius, f. pulmō, -ōn — lung; see -ARY.

pulmonary Pertaining to the lungs (e.g. ‘pulmonary artery’ and ‘pulmonary vein’, the blood vessels carrying blood to and from the lungs).

pulmonary Of or relating to the lungs.