Zollinger-Ellison Syndrome. A group of symptoms that occur when a tumor called a gastrinoma forms. The tumor, which can be cancerous, releases large amounts of the hormone called gastrin. The gastrin causes too much acid in the duodenum, resulting in ulcers, bleeding, and perforation.PubMed Health Glossary.ollinger-Ellison Syndrome. A group of symptoms that occur when a tumor called a gastrinoma forms. The tumor, which can be cancerous, releases large amounts of the hormone called gastrin. The gastrin causes too much acid in the duodenum, resulting in ulcers, bleeding, and perforation. PubMed Health Glossary.
Share on Facebook Tweet Share Pin Share. LTE is starting to become a reality for prepaid customers on inexpensive plans. Straight Talk, a carrier formed from a partnership between Walmart and Tracfone, is now allowing users who bring smartphones capable with AT&T's LTE network to use the 4G data service.
Determine if your Straight Talk-compatible phone works on a CDMA or GSM network. This will depend upon both the model of phone and your wireless provider. 1  Phones that work on the CDMA network have a letter âCâ in the model number. 2  Phones that work on the GSM network have a letter âGâ in the model number.