Da Vinci's heart (image) European Molecular Biology Laboratory - European Bioinformatics Institute Share Print E-Mail Caption The heart and its trabeculae, first described by Leonardo da Vinci. Credit Spencer Phillips Usage Restrictions With appropriate credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.