n.
The first chamber in the heart of fish, amphibians, and reptiles, which receives blood from the veins and contracts to force the blood into the atrium.
[New Latin sinus vēnōsus : Medieval Latin sinus, sinus + Latin vēnōsus, venous.]
sinus venosus
Dictionary:
sinus ve·no·sus (vē-nō'səs) 
|
n.
The first chamber in the heart of fish, amphibians, and reptiles, which receives blood from the veins and contracts to force the blood into the atrium.
| 5min Related Video: sinus venosus |
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 | ductus venosus (embryology) |
| vitelline vein (embryology) |
| sinoatrial |
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 | Where does some of the Scare tissue of the sinus venosus remain in a mammals heart? |
| You want to observe sinus venosus in portal system of frog? |
| What is the function of ductus venosus in fetus? |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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Mentioned in
- ductus venosus (embryology)
- vitelline vein (embryology)
- sinoatrial
- sinus
