pylorus

views updated Jun 11 2018

pylorus In vertebrates, the region of the stomach that lies next to the duodenum.

pylorus

views updated Jun 27 2018

pylorus (py-lor-ŭs) n. the lower end of the stomach, which leads to the duodenum. It terminates at a ring of muscle (pyloric sphincter), which contracts to close the opening by which the stomach communicates with the duodenum.
pyloric adj.

pylorus

views updated May 23 2018

pylorus (anat.) opening from the stomach into the duodenum. XVII. — Late L. pylōrus- — Gr. pulōrós, pulourós gate-keeper, f. púlē gate + oûros watcher, warder.

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