Border Zone in the Human Heart (image) Hubrecht Institute Share Print E-Mail Caption This is a slice of human heart tissue after a recent heart attack. The white area is the lumen of the heart. Orange: healthy cells, these cells are the border zone in the human heart, red: damaged cells due to the heart attack, blue: connective tissue. Credit Dennis de Bakker, © Hubrecht Institute Usage Restrictions The image may only be used with the appropriate caption and 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.