Tastebud (IMAGE) Australian National University Caption This is a tastebud showing receptor cells (green), blood cells (red), and collagen surrounding the bud (blue). Credit S. Lee, S. Yun, M. Choi. Usage Restrictions None License Licensed content 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.