For other uses, see Atrium. The atrium (plural: atria) is a blood collection chamber of the heart. It was previously called the auricle, and that term is still used to describe this chamber in, for example, the Mollusca, but in humans that name is now used for an appendage of the atrium.
1 Adult children whose eligible parents have or had a USAA auto or property insurance product.*. 2  Widows and widowers of USAA members who have or had a USAA auto or property insurance policy. * Children must be 18 years or older to be eligible for USAA membership and purchase products in their own name.
At the end of 2014, there were 10.7 million members. USAA was founded in 1922 by a group of U.S. Army officers to self-insure one another when they were unable to secure auto insurance because of the perception that they, as military officers, were a high-risk group.SAA offers a range of personal property and casualty (P&C) insurance, including automobile insurance, homeowner insurance, renters insurance, as well as umbrella and personal property insurance. In addition to P&C insurance, USAA provides whole life insurance, term life insurance, and annuities.