The cat pictured is a female. To help you orient, note the location of the uterus and bladder. The arrow indicates the point at which the vessels pass out of the abdominal cavity and into the leg.
To trace the movement of oxygenated blood to the hind limb, click on the red numbers beginning with #1 and ending with #6.
The caudal artery, which supplies the tail, is not clearly seen in this photo.
To trace the flow of the deoxygenated blood from the hind limb, click on the black numbers beginning with #7 and ending with #1.
Veins from the posterior regions of the cat flow into the posterior vena cava (1), which forms the major pathway to the heart.
As the posterior vena cava passes through the liver it is joined by hepatic veins. These are most easily seen just before the posterior vena cava passes through the diaphragm.
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