Definition: In anatomy, a coroniform is a type of organ that develops from one side of the body and grows on both sides. It is often associated with the heart and is responsible for pumping blood throughout the body. The coroniforms are made up of two separate structures: the left and right chambers of the heart. The left chamber contains blood, while the right chamber stores it until the next day's blood supply needs to be delivered. In a typical human, there are four coroniforms: