a part of some vertebrate hearts into which the veins lead and which empties into the atrium.
| 单词 | θ30888 |
| 释义 | the world > animals > animal body > general parts > internal organs and systems > [noun] > heart, liver, or lungs > part of heart into which veins lead (1) sinus venosus1836 a part of some vertebrate hearts into which the veins lead and which empties into the atrium. |
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