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venosus in Biological Definition

Liver

... liver. There it joins with the left branch of the portal vein. The ductus venosus carries blood from the left portal vein to the left hepatic vein and thenc...al blood to bypass the liver. After birth, the umbilical vein and ductus venosus are completely obliterated two to five days postpartum; the former becomes ...
venosus in Biological Dictionary

Sinus venosus

The sinus venosus is a large quadrangular cavity which precedes the atrium on the venous side of the chordate heart. In humans, it exists distinctly only in the embryonic heart, where it is found between the two venae cavae. In the adult, it is incorporated into the wall of the right atrium ...
venosus in other areas

Ductus venosus - Wikipedia, the free encyclopedia

In the fetus, the ductus venosus shunts a significant majority (80%) of the blood flow of the umbilical vein directly to the inferior vena cava. Thus, it allows oxygenated blood from the placenta to bypass the liver. In conjunction with the other fetal shunts, the...

Sinus venosus - Wikipedia, the free encyclopedia

The sinus venosus is a large quadrangular cavity which precedes the atrium on the venous side of the chordate heart. In humans, it exists distinctly only in the embryonic heart, where it is found between the two venae cavae. In the adult, it is incorporated into the wall of the right atrium to form a smooth part called the sinus venarum, also known as the...

Ductus venosus: Definition from Answers.com

ductus venosus ( ′dəktəs ve′nōsəs ) ( embryology ) Blood shunt between the left umbilical vein and the right sinus venosus of the heart in the

sinus venosus: Definition from Answers.com

sinus venosus n. The first chamber in the heart of fish, amphibians, and reptiles, which receives blood from the veins and contracts to force the

4 to 5 Weeks | Prenatal Overview

Unit 5 includes a discussion of brain growth, the cerebellum, eye, sinus venosus, the respiratory and endocrine systems, the kidney, liver, transparent skin, and ...

sinus venosus - Definition from the Merriam-Webster Online Dictionary

Definition of sinus venosus from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.
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