Sinus Venosus Definition
vē-nōsəs
noun
The first chamber in the heart of fish, amphibians, reptiles, and the embryos of birds and mammals, which receives blood from the veins and contracts to force the blood into the atrium.
American Heritage Medicine
Origin of Sinus Venosus
New Latin sinus vēnōsus Medieval Latin sinus sinus Latin vēnōsus venous
From American Heritage Dictionary of the English Language, 5th Edition
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