单词 | sinus venosus |
释义 | sinus venosus [`sī·nǝs vǝ`nō·sǝs] EMBRYOLOGY The vessel in the transverse septum of the embryonic mammalian heart into which open the vitelline, allantoic, and common cardinal veins. VERTEBRATE ZOOLOGY The chamber of the lower vertebrate heart to which the veins return blood from the body. |
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