What does pyloric mean?
Pyloric is an adjective meaning “relating to the pylorus,” the muscular outlet of the stomach where it joins the duodenum. It is most often encountered in medical discussions of the pyloric sphincter, the ring of smooth muscle that controls how quickly food leaves the stomach, and in the diagnosis of hypertrophic pyloric stenosis, a narrowing of that outlet. Other established uses include the pyloric valve, an older term for the sphincter, and the pyloric antrum, the distal portion of the stomach. The word belongs mainly to anatomy, radiology, surgery, paediatrics, and gastroenterology. Although “pyloric” can describe any condition or structure associated with the stomach’s outlet, it is not a general synonym for stomach-related; more specific terms are preferred outside specialist contexts. Its clear anatomical focus makes it especially useful when distinguishing disorders involving the gastric outlet from conditions affecting other parts of the stomach or intestines.
adjectiveRelating to the pylorus, the passage from the stomach to the duodenum. The term is used especially of the pyloric sphincter, which regulates the release of stomach contents into the small intestine.
- Relating to or affecting the pylorus or pyloric sphincter.
- Relating to the region of the stomach near its outlet into the duodenum.
"The scan revealed a narrowing of the pyloric sphincter consistent with hypertrophic pyloric stenosis."
"Pyloric stenosis can cause forceful vomiting and feeding difficulties in infants."
"The surgeon inspected the pyloric sphincter before performing the procedure."
The pylorus acts as a gatekeeper, releasing a measured amount of chyme into the small intestine rather than allowing the stomach to empty all at once.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does pyloric come from?
Pyloric comes from the Latin pylorus, a medieval adaptation of Greek pyloros, meaning “gatekeeper” or “gate.” The underlying Greek root combines the senses of a gate and a keeper. Modern medical terms such as pyloroplasty and pylorotomy were also formed from this source, reflecting procedures involving the gastric outlet.
Related word forms
How pyloric is actually used
This is primarily a medical and anatomical term. It may appear in specialist radiology, surgery, paediatrics, and gastroenterology, as well as in historical or veterinary usage.
Easily confused with pyloric
Pyloric is the adjective describing the pylorus; pylorus is the anatomical name for the muscular passage between the stomach and duodenum.