Mucins, a Component of Mucus (IMAGE) Experimental Biology Caption This is a close-up of mucins, molecules that form the mucus gel. Credit Massachusetts Institute of Technology Usage Restrictions Please credit Massachusetts Institute of Technology 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.