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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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