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单词 sinus of valsalva
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Si•nus of Val•sal•va  (sīnəs əv val salvə),USA pronunciation [Anat.]
  1. Anatomyany of the pouches of the aorta and the pulmonary artery opposite the flaps of the semilunar valves into which blood returning to the heart flows, closing the valves.
  • see Valsalva's maneuver

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