单词 | pulmonary valve |
释义 | > as lemmaspulmonary valve pulmonary valve n. Anatomy the valve of the heart at the entrance to the pulmonary artery; (also) any of the three semilunar segments of this valve (now rare). ΚΠ 1735 T. Morgan Mech. Pract. Physick 198 At length these pulmonary valves, by a continued Irritation and Stimulus, begin to swell, harden, and gradually lose their natural Elasticity and proper Action. 1832 Lancet 11 Aug. 591/2 Here are the pulmonary valves and the pulmonary artery all in a state of disease. 1968 New Eng. Jrnl. Med. 29 Feb. 499/2 A systolic murmur was heard, suggesting the establishment of a differential pressure between the systemic and pulmonary circulations rather than stenosis of the aortic or pulmonary valve. 1995 School Sci. Rev. June 55/2 The second heart sound is caused by closure of the pulmonary and aortic valve. < as lemmas |
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