Synonyms for the term "duplicitas posterior" refer to a medical condition known as posterior duplication syndrome. This rare anomaly occurs when there is an abnormal duplication or division of various body structures, particularly in the posterior region. While there are no direct synonyms for this term, it is often associated with similar congenital disorders such as caudal duplication syndrome or diprosopus. These conditions also involve the duplication or abnormal development of body parts, leading to distinct physical abnormalities. The use of precise medical terminology allows healthcare professionals to accurately diagnose and treat these conditions, ensuring appropriate care for affected individuals.