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| si·nus ve·no·sus [ snəss və nṓssəss ] (plural si·nus ve·no·si [ snəss və nṓssee ]) |
noun |
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| Definition: |
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part of fish or reptile heart: an enlarged pouch attached to the heart of fish, amphibians, and reptiles through which blood from the veins is forced into the atrium
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| [< modern Latin, "veined sinus"] |
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