Nematode Illustration (IMAGE) University of California - Riverside Caption The squiggly black line represents the infective juvenile nematode, before it enters a host. Once inside the host, as depicted on the right, the nematode resumes development and releases venom proteins (represented by the green drops). Credit Adler Dillman 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.