Shingles, also known as zoster or herpes zoster, is a painful skin rash caused by the same virus responsible for chicken pox: the varicella zoster virus. Even if you had chicken pox in the past, you can still contract shingles.aused by the herpes virus, the earliest symptoms of both conditions include headache, fever, a general feeling of malaise, sore throat and swelling of the face. Chicken pox is very common in children, being actually a children's disease. It is very contagious and it is actually nothing but a viral infection.
The pulmonary vein is the vessel transporting oxygen-rich blood from the lungs to the left atrium. A common misconception is that all veins carry de-oxygenated blood. It is more appropriate to classify veins as vessels carrying blood to the heart.
1 Pulmonary Circulation-oxygen-poor blood is pumped from the heart to the lungs and oxygenated blood returns to the heart from the lungs. 2  Systemic Circulation-oxygen-rich blood is pumped from the heart around the body.more accurately 'oxygen-poor' blood). 1  Deoxygenated blood leaves the right ventricle (RV) of the heart via the pulmonary artery. 2  The pulmonary artery divides into two main branches, the right pulmonary artery and the left pulmonary artery, which carry deoxygenated blood to the right and left lungs respectively.