Tagged: veins

Systemic Veins 0

Systemic Veins

The systemic veins may be arranged into three groups: (1) The veins of the heart. (2) The veins of the upper extremities, head, neck, and thorax, which end in the superior vena cava. (3)...

Pulmonary Veins 1

Pulmonary Veins

The pulmonary veins return the arterialized blood from the lungs to the left atrium of the heart. They are four in number, two from each lung, and are destitute of valves. The commence in...