Commonly the right atrium and ventricle are referred together as the right heart and their left counterparts as the left heart. Fish in contrast have two chambers, an atrium and a ventricle, while reptiles have three chambers.
CMV is a virus that is spread from a person with the virus to someone else. The virus can spread: To the unborn baby from the mother during pregnancy (congenital CMV) To the newborn from the mother during delivery or through breastmilk (perinatal CMV) In households with young children and in daycare centers.
Cytomegalovirus is a member of the herpes virus family. Some other viruses in the herpes family cause: chickenpox, infectious mononucleosis, fever blisters (herpes I) and genital herpes (herpes II). For the vast majority of people, CMV infection is not a serious problem.