pyloric canal n.
The aboral segment of the stomach that succeeds the antrum and ends at the gastroduodenal junction.
- Pyloric cap
pyloric cap n. See duodenal cap.
- Pyloric orifice
pyloric orifice n. The opening between the stomach and the upper part of the duodenum.
- Pyloric sphincter
pyloric sphincter n. A thickening of the layer of the gastric musculature encircling the gastroduodenal junction. Also called sphincter muscle of pylorus.
noun, Pathology. 1. an abnormal narrowing of the valve at the outlet from the stomach, preventing normal passage of food into the small intestine. pyloric stenosis n. Narrowing of the gastric pylorus, especially by congenital muscular hypertrophy or by scarring resulting from a peptic ulcer.