Fruit fly brain tachykininergic neurons (IMAGE) Salk Institute Caption A fruit fly brain showing male-specific tachykininergic neurons (magenta), which make the neuropeptide tachykinin, and neurons that express TkR86C (green), which receive tachykinin. Credit Salk Institute Usage Restrictions With credit and related coverage License Original 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.