Maxillary Canal of the <i>Thrinaxodon</i> (IMAGE) University of the Witwatersrand Caption The maxillary canal for the trigeminal nerve (in green, right) and the corresponding pits on the snout (left) in a Therapsida Thrinaxodon. Credit Wits University 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.