What is another word for right atrium of the heart?
Pronunciation: [ɹˈa͡ɪt ˈatɹi͡əm ɒvðə hˈɑːt] (IPA) 
The right atrium of the heart is one of the four chambers that make up the human heart. There are a few different synonyms that can be used to describe this important part of the cardiovascular system. These include the term right auricle, which is an anatomical term that refers to the hollow, muscular pouch that makes up the upper part of the right atrium. Another synonym is the right atrial chamber, which is often used in medical literature to describe this part of the heart. An additional term that is sometimes used is the right atrial appendage, which refers to a small, finger-like projection that extends from the right atrium.
